515 = 5 x 103.
515 is the number of graphs on six vertices with no isolated vertices.
515 is 20003 in base 4 and 1003 in base 8. It is 203 in base 16.
515 is the sum of nine consecutive primes: 515 = 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73.
In The Divine Comedy, Dante Alighieri wrote that the Apocalypse would be preceded by a messenger represented by the number "five hundred and ten and five" (515).
No comments:
Post a Comment