500 (number)

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499 500 501
Cardinal five hundred
Ordinal 500th
(five hundredth)
Factorization 22× 53
Roman numeral D
Binary 1111101002
Ternary 2001123
Quaternary 133104
Quinary 40005
Senary 21526
Octal 7648
Duodecimal 35812
Hexadecimal 1F416
Vigesimal 15020
Base 36 DW36

500 (five hundred) is the natural number following 499 and preceding 501.

Mathematical properties

500 is a Harshad number in bases 5, 6, 10, 11, 13, 15 and 16.

Other fields

Five hundred is also

Slang names

  • Monkey (UK slang for £500; USA slang for $500)[1]

Numbers from 501 to 599

500s

501 = 3 × 167. It is:

  • the sum of the first 18 primes (a term of the sequence OEISA007504).
  • palindromic in bases 9 (6169) and 20 (15120).

502 = 2 × 251, also a proposed HTTP status code for indicating server is temporarily overloaded, SMTP status code meaning command not implemented


503 is:

  • a prime number.
  • a safe prime.
  • the sum of three consecutive primes (163 + 167 + 173).[2]
  • the sum of the cubes of the first four primes.[3]
  • a Chen prime[4]
  • a Eisenstein prime with no imaginary part.[5]
  • proposed HTTP status code indicating a gateway time-out, SMTP status code meaning bad sequence of commands

504 = 23 × 32 × 7. It is:

  • a tribonacci number.
  • a semi-meandric number.
  • a refactorable number.
  • a Harshad number in bases 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15 and 16
  • the SMTP status code meaning command parameter not implemented

505 = 5 × 101, Harshad number in bases 3, 5 and 6

This number is the magic constant of n×n normal magic square and n-queens problem for n = 10.

New Mexico – Before October 7, 2007, The United States state of New Mexico had a single area code[6] of 505. The state was, and still is, referred to as 'the 505' in slang.


506 = 2 × 11 × 23. It is:


507 = 3 × 132, Harshad number in bases 13 and 14.


508 = 22 × 127, sum of four consecutive primes (113 + 127 + 131 + 137), Harshad number in base 13.


509 is:

510s


510 = 2 × 3 × 5 × 17. It is:

  • the sum of eight consecutive primes (47 + 53 + 59 + 61 + 67 + 71 + 73 + 79).
  • the sum of ten consecutive primes (31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71).
  • the sum of twelve consecutive primes (19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67).
  • a nontotient.
  • a sparsely totient number.
  • a Harshad number in bases 3, 5, 6, 10, 11, 12, 13, 15 and 16

511 = 7 × 73. It is:


512 = 29. It is:


513 = 33 × 19. It is:

  • palindromic in bases 2 (10000000012), 8 (10018), 26 (JJ26) and 56 (9956)
  • a Harshad number in bases 3, 4, 5, 7, 9, 10, 13, 14, 15 and 16
  • Area code of Cincinnati, Ohio

514 = 2 × 257, it is:


515 = 5 × 103, it is:

  • the sum of nine consecutive primes (41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73).
  • a Harshad number in bases 3, 4 and 16.

516 = 22 × 3 × 43, it is:

  • nontotient.
  • untouchable number.
  • refactorable number.
  • a Harshad number in bases 2, 3, 4, 6, 7, 9, 10, 13, 15 and 16.

517 = 11 × 47, it is:

  • the sum of five consecutive primes (97 + 101 + 103 + 107 + 109).
  • a Smith number.
  • a Harshad number in base 12.

518 = 2 × 7 × 37, it is:

  • = 51 + 12 + 83 (a property shared with 175 and 598).
  • a sphenic number.
  • a nontotient.
  • an untouchable number.
  • palindromic and a repdigit in bases 6 (22226) and 36 (EE36).
  • a Harshad number in bases 8, 9, 10, 13 and 15.

519 = 3 × 173, it is:

  • the sum of three consecutive primes (167 + 173 + 179)
  • palindromic in bases 9 (6369) and 12 (37312).

520s


520 = 23 × 5 × 13. It is:

  • an untouchable number.
  • a palindromic number in bases 14 (29214), 25 (KK25), 39 (DD39), 51 (AA51) and 64 (8864).
  • a Harshad number in bases 2, 4, 5, 6, 7, 8, 11, 13, 14 and 16.

521 is:

  • a Lucas prime.
  • a Chen prime.
  • an Eisenstein prime with no imaginary part.
  • palindromic in bases 11 (43411) and 20 (16120)

522 = 2 × 32 × 29. It is:

  • the sum of six consecutive primes (73 + 79 + 83 + 89 + 97 + 101).
  • palindromic and a repdigit in bases 28 (II28) and 57 (9957).
  • a Harshad number in bases 2, 4, 10, 13 and 15.

523 is:

  • a prime number.
  • the sum of seven consecutive primes (61 + 67 + 71 + 73 + 79 + 83 + 89).
  • palindromic in bases 13 (31313) and 18 (1B118).

524 = 22 × 131


525 = 3 × 52 × 7. It is:

  • palindromic in bases 10 (52510), 24 (LL24) and 34 (FF34).
  • a Harshad number in bases 3, 5, 8, 11, 15 and 16.
  • the number of scan lines in the NTSC television standard.

526 = 2 × 263, centered pentagonal number, nontotient, Smith number


527 = 17 × 31. it is:

  • palindromic in bases 15 (25215) and 30 (HH30).
  • a Harshad number in bases 11 and 16.
  • also, the section of the US Tax Code regulating soft money political campaigning (see 527 groups)

528 = 24 × 3 × 11. It is:

  • a triangular number.
  • palindromic in bases 9 (6469), 17 (1E117), 23 (MM23), 32 (GG32), 43 (CC43) and 47 (BB47).
  • a Harshad number in bases 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13 and 16.

529 = 232. It is:

530s


530 = 2 × 5 × 53. It is:

  • a sphenic number.
  • a nontotient.
  • the sum of totient function for first 41 integers.
  • an untouchable number.
  • the sum of the first three perfect numbers.
  • palindromic in bases 4 (201024), 16 (21216), 23 (10123) and 52 (AA52).
  • a Harshad number in bases 4, 6, 8, 11 and 16.

531 = 32 × 59. It is:

  • palindromic in bases 12 (38312) and 58 (9958).
  • a Harshad number in base 10.

532 = 22 × 7 × 19. It is:

  • a pentagonal number.
  • a nontotient.
  • palindromic and a repdigit in bases 11 (44411), 27 (JJ27) and 37 (EE37).
  • a Harshad number in bases 4, 8, 15 and 16.

533 = 13 × 41. It is:

  • the sum of three consecutive primes (173 + 179 + 181).
  • the sum of five consecutive primes (101 + 103 + 107 + 109 + 113).
  • palindromic in bases 19 (19119) and 40 (DD40).
  • a Harshad number in bases 6, 9, 11 and 14.

534 = 2 × 3 × 89. It is:

  • a sphenic number.
  • the sum of four consecutive primes (127 + 131 + 137 + 139).
  • a nontotient.
  • palindromic in bases 5 (41145) and 14 (2A214).
  • a Harshad number in bases 3, 4 and 13.

535 = 5 × 107. It is:

  • a Smith number.
  • a Harshad number in base 2.

34 n^3 + 51 n^2 + 27 n+ 5 for n = 2; this polynomial plays an essential role in Apéry's proof that \zeta(3) is irrational.

535 is used as an abbreviation for May 35, which is used in China instead of June 4 to evade censorship by the Chinese government of references on the Internet to the Tiananmen Square protests of 1989.[7]


536 = 23 × 67. It is:

  • the number of ways to arrange the pieces of the stomachion puzzle into a square, not counting rotation or reflection.
  • a refactorable number.
  • the lowest happy number beginning with the digit 5.
  • a Harshad number in bases 3, 5, 8 and 13.

537 = 3 × 179, Mertens function (537) = 0


538 = 2 × 269. It is:


539 = 72 × 11

540s


540 = 22 × 33 × 5. It is:

  • an untouchable number.
  • a decagonal number.
  • palindromic and a repdigit in bases 26 (KK26), 29 (II29), 35 (FF35), 44 (CC44), 53 (AA53) and 59 (9959).
  • a Harshad number in bases 2, 3, 4, 6, 7, 9, 10, 11, 12, 13, 14 and 16.

541 is:

  • the 100th prime.
  • a lucky prime.
  • a Chen prime.
  • the 10th star number.
  • palindromic in bases 18 (1C118) and 20 (17120).

Mertens function(541) = 0.


542 = 2 × 271. It is:


543 = 3 × 181; palindromic in bases 11 (45411) and 12 (39312).


544 = 25 × 17. It is:

  • palindromic in bases 31 (HH31) and 33 (GG33).
  • a Harshad number in bases 2, 4, 9, 12, 13 and 16.

545 = 5 × 109. It is:

  • a centered square number.
  • palindromic in bases 10 (54510) and 17 (1F117).
  • a Harshad number in bases 4 and 16.

546 = 2 × 3 × 7 × 13. It is:

  • the sum of eight consecutive primes (53 + 59 + 61 + 67 + 71 + 73 + 79 + 83).
  • palindromic in bases 4 (202024), 9 (6669), 16 (22216), 25 (LL25), 38 (EE38) and 41 (DD41).
  • a repdigit in bases 9, 16, 25, 38 and 41.
  • a Harshad number in bases 2, 3, 4, 6, 7, 8, 13, 14, 15 and 16.

547 is:


548 = 22 × 137. It is:

Also, every positive integer is the sum of at most 548 ninth powers;


549 = 32 × 61, It is:

  • palindromic and a repdigit in bases 13 (33313) and 60 (9960).
  • a Harshad number in bases 6, 7, 13 and 16.

550s


550 = 2 × 52 × 11. It is:

  • a pentagonal pyramidal number.
  • a primitive abundant number.
  • a nontotient.
  • a palindromic number and a repdigit in bases 24 (MM24), 49 (BB49) and 54 (AA54).
  • a Harshad number in bases 6, 7, 8, 10, 11, 12, 13 and 16.
  • the SMTP status code meaning the requested action was not taken because the mailbox is unavailable

551 = 19 × 29. It is:

  • the sum of three consecutive primes (179 + 181 + 191).
  • palindromic in bases 22 (13122) and 28 (JJ28).
  • a Harshad number in base 15.
  • the SMTP status code meaning user is not local

552 = 23 × 3 × 23. It is:

  • the sum of six consecutive primes (79 + 83 + 89 + 97 + 101 + 103).
  • the sum of ten consecutive primes (37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73).
  • a pronic number.
  • an untouchable number.
  • palindromic in bases 19 (1A119) and 45 (CC45).
  • a Harshad number in bases 2, 3, 4, 5, 7, 8, 10, 11, 13 and 16.
  • the model number of U-552.
  • the SMTP status code meaning requested action aborted because the mailbox is full.

553 = 7 × 79. It is:

  • the sum of nine consecutive primes (43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79).
  • a Harshad number in bases 3, 4, 7 and 8.
  • the model number of U-553
  • the SMTP status code meaning requested action aborted because of faulty mailbox name.

554 = 2 × 277. It is:

  • a nontotient.
  • the SMTP status code meaning transaction failed.

Mertens function(554) = 6, a record high that stands until 586.


555 is:


556 = 22 × 139. It is:

  • the sum of four consecutive primes (131 + 137 + 139 + 149).
  • an untouchable number, because it is never the sum of the proper divisors of any integer.
  • a happy number.
  • a Harshad number in base 2.
  • the model number of U-556; 5.56×45mm NATO cartridge.

557 is:

  • a prime number.
  • a Chen prime.
  • an Eisenstein prime with no imaginary part.

558 = 2 × 32 × 31. It is:

  • a nontotient.
  • palindromic and a repdigit in bases 30 (II30) and 61 (9961).
  • a Harshad number in bases 3, 4, 10, 11, 13 and 16.
  • The sum of the largest prime factors of the first 558 is itself divisible by 558 (the previous such number is 62, the next is 993).
  • in the title of the Star Trek: Deep Space Nine episode "The Siege of AR-558"

559 = 13 × 43. It is:

  • the sum of five consecutive primes (103 + 107 + 109 + 113 + 127).
  • the sum of seven consecutive primes (67 + 71 + 73 + 79 + 83 + 89 + 97).
  • a nonagonal number.
  • a centered cube number.
  • palindromic in bases 18 (1D118) and 42 (DD42).
  • a Harshad number in bases 7, 8 and 15
  • the model number of U-559.

560s


560 = 24 × 5 × 7. It is:

  • a tetrahedral number.
  • a refactorable number.
  • palindromic in bases 3 (2022023), 6 (23326), 27 (KK27), 34 (GG34), 39 (EE39) and 55 (AA55).
  • a Harshad number in bases 3, 4, 5, 6, 7, 8, 9, 11, 13, 14, 15 and 16.

561 = 3 × 11 × 17. It is:

  • a triangular number.
  • a hexagonal number.
  • palindromic in bases 2 (10001100012), 20 (18120), 32 (HH32) and 50 (BB50).
  • a Harshad number in bases 6, 9 and 11.
  • the first Carmichael number[8]

562 = 2 × 281. It is:

  • a Smith number.
  • an untouchable number.
  • the sum of twelve consecutive primes (23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71).
  • palindromic in bases 4 (203024), 13 (34313), 14 (2C214), 16 (23216) and 17 (1G117).
  • the number of Native American (including Alaskan) Nations, or "Tribes," recognized by the USA government.

563 is:

  • a prime number.
  • a safe prime.
  • a Wilson prime.
  • a Chen prime.
  • an Eisenstein prime with no imaginary part.
  • a balanced prime.
  • a strictly non-palindromic number.
  • a sexy prime.
  • a happy number.

564 = 22 × 3 × 47. It is:

  • the sum of a twin prime (281 + 283).
  • a refactorable number.
  • palindromic in bases 5 (42245), 9 (6869) and 46 (CC46).
  • a Harshad number in bases 2, 4, 5, 7 and 13.

565 = 5 × 113. It is:

  • the sum of three consecutive primes (181 + 191 + 193).
  • a member of the Mian–Chowla sequence.
  • a happy number.
  • palindromic in bases 10 (56510) and 11 (47411).
  • a Harshad number in base 2.

566 = 2 × 283. It is:

  • nontotient.
  • a happy number.

567 = 34 × 7. It is:

  • palindromic in bases 12 (3B312), 26 (LL26) and 62 (9962).
  • a Harshad number in bases 3, 4, 7, 9, 14 and 15.

568 = 23 × 71. It is:

  • the sum of the first nineteen primes (a term of the sequence OEISA007504).
  • a refactorable number.
  • palindromic in bases 7 (14417) and 21 (16121).
  • a Harshad number in bases 2, 3, 8 and 9.
  • the smallest number whose seventh power is the sum of 7 seventh powers.
  • the room number booked by Benjamin Braddock in the 1967 film The Graduate.
  • the number of millilitres in an imperial pint.
  • the name of the Student Union bar at Imperial College London

569 is:

  • a prime number.
  • a Chen prime.
  • a Eisenstein prime with no imaginary part.
  • a strictly non-palindromic number.

570s


570 = 2 × 3 × 5 × 19. It is:

  • palindromic in bases 29 (JJ29), 37 (FF37) and 56 (AA56).
  • a Harshad number in bases 2, 5, 6, 8, 9, 15 and 16.

571 is:

  • a prime number.
  • a Chen prime.
  • a centered triangular number.
  • the model number of U-571 which appeared in the 2000 movie U-571

572 = 22 × 11 × 13. It is:

  • a primitive abundant number.
  • a nontotient.
  • palindromic in bases 3 (2100123), 15 (28215), 25 (MM25), 43 (DD43) and 51 (BB51).
  • a Harshad number in bases 12 and 14.

573 = 3 × 191. It is:


574 = 2 × 7 × 41. It is:

  • a sphenic number.
  • a nontotient.
  • palindromic in bases 9 (7079) and 40 (EE40).
  • a Harshad number in bases 5, 6, 8, 9, 11 and 15.

575 = 52 × 23. It is:

  • palindromic in bases 10 (57510), 13 (35313) and 24 (NN24).
  • a Harshad number in base 12.

576 = 26 × 32 = 242. It is:

  • the sum of four consecutive primes (137 + 139 + 149 + 151).
  • a highly totient number.
  • a Smith number.
  • an untouchable number.
  • palindromic in bases 11 (48411), 14 (2D214), 23 (12123), 31 (II31), 35 (GG35), 47 (CC47) and 63 (9963).
  • a Harshad number in bases 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15 and 16.
  • four-dozen sets of a dozen, which makes it 4 gross.

577 is:


578 = 2 × 172. It is:

  • a nontotient.
  • palindromic in bases 16 (24216) and 33 (HH33).

579 = 3 × 193; it is a ménage number.

580s


580 = 22 × 5 × 29. It is:

  • the sum of six consecutive primes (83 + 89 + 97 + 101 + 103 + 107).
  • palindromic in bases 12 (40412), 17 (20217), 28 (KK28) and 57 (AA57).
  • a Harshad number in bases 4, 6, 11, 15 and 16.

581 = 7 × 83. It is:

  • the sum of three consecutive primes (191 + 193 + 197).
  • a Harshad number in bases 3 and 8.

582 = 2 × 3 × 97. It is:

  • a sphenic number.
  • the sum of eight consecutive primes (59 + 61 + 67 + 71 + 73 + 79 + 83 + 89).
  • a nontotient.
  • a Harshad number in bases 3 and 4.

583 = 11 × 53. It is:

  • palindromic in bases 9 (7179) and 52 (BB52).
  • a Harshad number in bases 5 and 12.

584 = 23 × 73. It is:

  • an untouchable number.
  • the sum of totient function for first 43 integers.
  • a refactorable number.
  • a Harshad number in base 3.

585 = 32 × 5 × 13. It is:

  • palindromic in bases 2 (10010010012), 8 (11118), 10 (58510), 38 (FF38), 44 (DD44) and 64 (9964).
  • a repdigit in bases 8, 38, 44 and 64.
  • the sum of powers of 8 from 0 to 3.
  • a Harshad number in bases 3, 5, 7, 9, 11, 12, 13 and 16.

When counting in binary with fingers, expressing 585 as 1001001001, results in the isolation of the index and little fingers of each hand, "throwing up the horns".


586 = 2 × 293.

  • Mertens function(586) = 7 a record high that stands until 1357.
  • it is the number of several popular personal computer processors (such as the Intel pentium).

587 is:

  • a prime number.
  • safe prime.
  • a Chen prime.
  • an Eisenstein prime with no imaginary part.
  • the sum of five consecutive primes (107 + 109 + 113 + 127 + 131).
  • palindromic in bases 11 (49411) and 15 (29215).
  • the outgoing port for email message submission.

588 = 22 × 3 × 72. It is:

  • a Smith number.
  • palindromic in bases 13 (36313), 27 (LL27), 41 (EE41) and 48 (CC48).
  • a Harshad number in bases 2, 3, 4, 5, 7, 8, 9, 10, 13, 14 and 15.

589 = 19 × 31. It is:

  • the sum of three consecutive primes (193 + 197 + 199).
  • palindromic in bases 21 (17121) and 30 (JJ30).
  • a Harshad number in bases 11 and 16.

590s


590 = 2 × 5 × 59. It is:

  • a sphenic number.
  • a pentagonal number.
  • a nontotient.
  • palindromic in bases 19 (1C119) and 58 (AA58).
  • a Harshad number in bases 2, 5, 6 and 14.

591 = 3 × 197


592 = 24 × 37. It is:

  • palindromic in bases 9 (7279), 12 (41412) and 36 (GG36).
  • a Harshad number in bases 3, 4, 8, 9, 10 and 13.

593 is:

  • a prime number.
  • a Sophie Germain prime.
  • the sum of seven consecutive primes (71 + 73 + 79 + 83 + 89 + 97 + 101).
  • the sum of nine consecutive primes (47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 + 83).
  • an Eisenstein prime with no imaginary part.
  • a balanced prime.
  • a Leyland number.
  • a member of the Mian–Chowla sequence.
  • strictly non-palindromic number.

594 = 2 × 33 × 11. It is:

  • the sum of ten consecutive primes (41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79).
  • a nontotient.
  • palindromic in bases 5 (43345), 16 (25216), 26 (MM26), 32 (II32) and 53 (BB53).
  • a Harshad number in bases 4, 6, 8, 10, 12, 13, 14 and 16.

595 = 5 × 7 × 17. It is:

  • a sphenic number.
  • a triangular number.
  • centered nonagonal number.
  • palindromic in bases 10 (59510), 18 (1F118), 22 (15122) and 34 (HH34).
  • a Harshad number in bases 2, 3, 4, 7 and 8.

596 = 22 × 149. It is:

  • the sum of four consecutive primes (139 + 149 + 151 + 157).
  • a nontotient.
  • a Harshad number in base 2.

597 = 3 × 199


598 = 2 × 13 × 23 = 51 + 92 + 83. It is:

  • a sphenic number.
  • palindromic in bases 4 (211124), 11 (4A411), 25 (NN25) and 45 (DD45).
  • a Harshad number in bases 6, 14 and 16.

599 is:

  • a prime number.
  • a Chen prime.
  • an Eisenstein prime with no imaginary part.

References

  1. Evans, I.H., Brewer's Dictionary of Phrase and Fable, 14th ed., Cassell, 1990, ISBN 0-304-34004-9
  2. that is, a term of the sequence OEISA034961
  3. that is, the first term of the sequence OEISA133525
  4. since 503+2 is a product of two primes, 5 and 101
  5. since it is a prime which is congruent to 2 modulo 3.
  6. 'Verizon Area Code For New Mexico' http://support.vzw.com/pdf/newmexico_split_map.pdf
  7. Lua error in package.lua at line 80: module 'strict' not found.
  8. Lua error in package.lua at line 80: module 'strict' not found.