500 (five hundred) is the natural number following 499 and preceding 501.
500 is a Harshad number in bases 5, 6, 10, 11, 13, 15 and 16.
Five hundred is also
501 = 3 × 167. It is:
502 = 2 × 251, also a proposed HTTP status code for indicating server is temporarily overloaded, SMTP status code meaning command not implemented
503 is:
504 = 23 × 32 × 7. It is:
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 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:
510 = 2 × 3 × 5 × 17. It is:
511 = 7 × 73. It is:
512 = 29. It is:
513 = 33 × 19. It is:
514 = 2 × 257, it is:
515 = 5 × 103, it is:
516 = 22 × 3 × 43, it is:
517 = 11 × 47, it is:
518 = 2 × 7 × 37, it is:
519 = 3 × 173, it is:
520 = 23 × 5 × 13. It is:
521 is:
522 = 2 × 32 × 29. It is:
523 is:
524 = 22 × 131
525 = 3 × 52 × 7. It is:
526 = 2 × 263, centered pentagonal number, nontotient, Smith number
527 = 17 × 31. it is:
528 = 24 × 3 × 11. It is:
529 = 232. It is:
530 = 2 × 5 × 53. It is:
531 = 32 × 59. It is:
532 = 22 × 7 × 19. It is:
533 = 13 × 41. It is:
534 = 2 × 3 × 89. It is:
535 = 5 × 107. It is:
34n3+51n2+27n+5{\displaystyle 34n^{3}+51n^{2}+27n+5}
for n=2{\displaystyle n=2}
; this polynomial plays an essential role in Apéry's proof that ζ<!-- ζ -->(3){\displaystyle \zeta (3)}
is irrational.
