700 (number)

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699 700 701
Cardinal seven hundred
Ordinal 700th
(seven hundredth)
Factorization 22× 52× 7
Roman numeral DCC
Binary 10101111002
Ternary 2212213
Quaternary 223304
Quinary 103005
Senary 31246
Octal 12748
Duodecimal 4A412
Hexadecimal 2BC16
Vigesimal 1F020
Base 36 JG36

700 (seven hundred) is the natural number following 699 and preceding 701.

It is the sum of four consecutive primes (167 + 173 + 179 + 181). It is a Harshad number.

700 is also:

700s

700 — see above


701 prime number, sum of three consecutive primes (229 + 233 + 239), Chen prime, Eisenstein prime with no imaginary part


702 = 2 × 33 × 13, pronic number, nontotient, Harshad number


703 = 19 × 37, triangular number, hexagonal number, smallest number requiring 73 fifth powers for Waring representation, Kaprekar number, area code for Northern Virginia along with 571, a number commonly found in the formula for body mass index


704 = 26 × 11, Harshad number, area code for the Charlotte, NC area.


705 = 3 × 5 × 47, sphenic number, smallest Lucas pseudoprime


706 = 2 × 353, nontotient, Smith number


707 = 7 × 101, sum of five consecutive primes (131 + 137 + 139 + 149 + 151), palindromic number


708 = 22 × 3 × 59


709 is a prime number. It is also a happy number.


710 = 2 × 5 × 71, sphenic number, nontotient


711 = 32 × 79, Harshad number. Also the phone number of Telecommunications Relay Service, commonly used by the deaf and hard-of-hearing.


712 = 23 × 89, sum of the first twenty-one primes, totient sum for first 48 integers. It is the largest known number such that it and its 8th power (66,045,000,696,445,844,586,496) have no common digits.


713 = 23 × 31, main area code for Houston, TX.


714 = 2 × 3 × 7 × 17, sum of twelve consecutive primes (37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 + 83), nontotient, member of Ruth–Aaron pair (either definition); the smallest number that uses the same digits in bases 2 and 5, area code for Orange County, California.

  • 714 is the number of career home runs hit by Babe Ruth, a record that stood from his last home run on May 25, 1935 until being broken by Hank Aaron on April 8, 1974.
  • Flight 714 to Sidney is a Tintin graphic novel.

715 = 5 × 11 × 13, sphenic number, pentagonal number, pentatope number ( binomial coefficient \tbinom {13}4 ), Harshad number, member of Ruth-Aaron pair (either definition)


716 = 22 × 179


717 = 3 × 239, palindromic number


718 = 2 × 359, area code for Brooklyn, NY


719 prime number, factorial prime (6! − 1), Sophie Germain prime, safe prime, sum of seven consecutive primes (89 + 97 + 101 + 103 + 107 + 109 + 113), Chen prime, Eisenstein prime with no imaginary part


720 (seven hundred [and] twenty)= 24 × 32 × 5.


721 = 7 × 103, sum of nine consecutive primes (61 + 67 + 71 + 73 + 79 + 83 + 89 + 97 + 101), centered hexagonal number, smallest number that is the difference of two positive cubes in two ways,


722 = 2 × 192, nontotient

  • G.722 is a freely available file format for audio file compression. The files are often named with the extension "722".

723 = 3 × 241


724 = 22 × 181, sum of four consecutive primes (173 + 179 + 181 + 191), sum of six consecutive primes (107 + 109 + 113 + 127 + 131 + 137), nontotient

the number of n-queens problem solutions for n = 10,


725 = 52 × 29


726 = 2 × 3 × 112, pentagonal pyramidal number


727 prime number, palindromic prime, Lucky prime


728 = 23 × 7 × 13, nontotient, Smith number, cabtaxi number


729 (seven hundred [and] twenty-nine) = 36 = 272.

  • the square of 27, and the cube of 9, and as a consequence of these properties, a perfect totient number.
  • centered octagonal number, Smith number
  • the number of times a philosopher's pleasure is greater than a tyrant's pleasure according to Plato in the Republic
  • the largest three digit cube. (9 x 9 x 9)
  • the largest three digit sixth power. (3 x 3 x 3 x 3 x 3 x 3)

730 = 2 × 5 × 73, sphenic number, nontotient, Harshad number, happy number


731 = 17 × 43, sum of three consecutive primes (239 + 241 + 251)


732 = 22 × 3 × 61, sum of eight consecutive primes (73 + 79 + 83 + 89 + 97 + 101 + 103 + 107), sum of ten consecutive primes (53 + 59 + 61 + 67 + 71 + 73 + 79 + 83 + 89 + 97), Harshad number


733 prime number, balanced prime, permutable prime, sum of five consecutive primes (137 + 139 + 149 + 151 + 157)


734 = 2 × 367, nontotient


735 = 3 × 5 × 72, Harshad number, Zuckerman number, smallest number such that uses same digits as its distinct prime factors


736 = 25 × 23, centered heptagonal number, nice Friedman number since 736 = 7 + 36, Harshad number


737 = 11 × 67, palindromic number, Boeing 737 jet airliner.


738 = 2 × 32 × 41, Harshad number, designation for a Boeing 737-800 jet airliner.


739 prime number, strictly non-palindromic number, Lucky prime, happy number


740 = 22 × 5 × 37, nontotient


741 = 3 × 13 × 19, sphenic number, triangular number


742 = 2 × 7 × 53, sphenic number, decagonal number. It is the smallest number that is one more than triple its reverse.


743 prime number, Sophie Germain prime, Chen prime, Eisenstein prime with no imaginary part


744 = 23 × 3 × 31, sum of four consecutive primes (179 + 181 + 191 + 193). It is the coefficient of the first degree term of the expansion of Klein's j-invariant. Furthermore, 744 =3 × 248 where 248 is the dimension of the Lie algebra E8.


745 = 5 × 149


746 = 2 × 373, nontotient 746 = 17 + 24 + 36


747 = 32 × 83, palindromic number, model number of the Boeing 747, perhaps the most famous Boeing aircraft


748 = 22 × 11 × 17, nontotient, happy number, primitive abundant number


749 = 7 × 107, sum of three consecutive primes (241 + 251 + 257)


750 (seven hundred [and] fifty)= 2 × 3 × 53, enneagonal number.


751 prime number, Chen prime


752 = 24 × 47, nontotient


753 = 3 × 251


754 = 2 × 13 × 29, sphenic number, nontotient, totient sum for first 49 integers


755 = 5 × 151. In 1976, Major League Baseball player Hank Aaron ended his career with a Major League record 755 home runs (record now held by Barry Bonds).


756 = 22 × 33 × 7, sum of six consecutive primes (109 + 113 + 127 + 131 + 137 + 139), pronic number, Harshad number


757 prime number, palindromic prime, sum of seven consecutive primes (97 + 101 + 103 + 107 + 109 + 113 + 127), happy number


758 = 2 × 379, nontotient


759 = 3 × 11 × 23, sphenic number, sum of five consecutive primes (139 + 149 + 151 + 157 + 163)


760 = 23 × 5 × 19, centered triangular number


761 prime number, Sophie Germain prime, Chen prime, Eisenstein prime with no imaginary part, centered square number


762 = 2 × 3 × 127, sphenic number, sum of four consecutive primes (181 + 191 + 193 + 197), nontotient, Smith number, see also Six nines in pi


763 = 7 × 109, sum of nine consecutive primes (67 + 71 + 73 + 79 + 83 + 89 + 97 + 101 + 103)


764 = 22 × 191, telephone number


765 = 32 × 5 × 17


766 = 2 × 383, centered pentagonal number, nontotient, sum of twelve consecutive primes (41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 + 83 + 89), happy number


767 = 13 × 59, Thabit number (28 × 3 − 1), palindromic number


768 = 28 × 3, sum of eight consecutive primes (79 + 83 + 89 + 97 + 101 + 103 + 107 + 109)


769 prime number, Chen prime, lucky prime, Proth prime


770 = 2 × 5 × 7 × 11, nontotient, Harshad number


771 = 3 × 257, sum of three consecutive primes in arithmetic progression (251 + 257 + 263). Since 771 is the product of the distinct Fermat primes 3 and 257, a regular polygon with 771 sides can be constructed using compass and straightedge, and \cos\left(\frac{2\pi}{771}\right) can be written in terms of square roots.


772 = 22 × 193


773 prime number, Eisenstein prime with no imaginary part, tetranacci number


774 = 2 × 32 × 43, nontotient, totient sum for first 50 integers, Harshad number


775 = 52 × 31, member of the Mian–Chowla sequence, happy number


776 = 23 × 97


777 = 3 × 7 × 37, sphenic number, Harshad number, palindromic number, 3333 in senary (base 6) counting.


778 = 2 × 389, nontotient, Smith number


779 = 19 × 41, highly cototient number


780 = 22 × 3 × 5 × 13, sum of four consecutive primes in a quadruplet; sum of ten consecutive primes (59 + 61 + 67 + 71 + 73 + 79 + 83 + 89 + 97 + 101), triangular number, hexagonal number, Harshad number

780 and 990 are the fourth smallest pair of triangular numbers whose sum and difference (1770 and 210) are also triangular.


781 = 11 × 71, sum of powers of 5/repdigit in base 5 (11111), Mertens function(781) = 0


782 = 2 × 17 × 23, sphenic number, nontotient, pentagonal number, Harshad number, also, 782 gear used by U.S. Marines


783 = 33 × 29


784 = 24 × 72 = 282 = 1^3+2^3+3^3+4^3+5^3+6^3+7^3, the sum of the cubes of the first seven integers, happy number


785 = 5 × 157, Mertens function(785) = 0


786 = 2 × 3 × 131, sphenic number. See also its use in Muslim numerological symbolism.


787 prime number, sum of five consecutive primes (149 + 151 + 157 + 163 + 167), Chen prime, Lucky prime, palindromic prime.


788 = 22 × 197, nontotient


789 = 3 × 263, sum of three consecutive primes (257 + 263 + 269)


790 = 2 × 5 × 79, sphenic number, nontotient


791 = 7 × 113, sum of the first twenty-two primes, sum of seven consecutive primes (101 + 103 + 107 + 109 + 113 + 127 + 131)


792 = 23 × 32 × 11, no of Partitions of 21, binomial coefficient \tbinom {12}5, Harshad number


793 = 13 × 61, Mertens function(793) = 0, star number, happy number


794 = 2 × 397, nontotient


795 = 3 × 5 × 53, Mertens function(795) = 0


796 = 22 × 199, sum of six consecutive primes (113 + 127 + 131 + 137 + 139 + 149), Mertens function(796) = 0


797 prime number, Chen prime, Eisenstein prime with no imaginary part, palindromic prime


798 = 2 × 3 × 7 × 19, Mertens function(798) = 0, nontotient


799 = 17 × 47


References