The Number Of Day

196 = 2 2 x 7 2 . 196 is the smallest square that contains a multidigit prime number as a substring. 196 = 14 2 is a perfect square. 196 i...

482 = 2 x 241. 482 has a representation as a sum of two squares: 482 = 11 2 + 19 2 . 482 is 222 in base 15. It is 585 in base 9. 482 is a n...

981 = 3 2 x 109. 981 has a representation as a sum of two squares: 981 = 9 2 + 30 2 . 327 + 654 = 981 uses each of the digits 1-9 once. 9...

186 = 2 x 3 x 31. 186 is the maximum number of regions into which 9 spheres divide space. 7 x 5 x 3 x 2 - 4 x 3 x 2 x 1 = 186 . 186 x 39 = 7...

594 = 2 x 3 3 x 11. 594 is 1001010010 in base 2 (binary). It is 4334 in base 5 and 1122 in base 8. 594 is the smallest number that has 10 r...

976 = 2 4 x 61. 976 is a decagonal number . It is also a centered triangular number . 976 has a square formed by inserting a block of digit...

680 = 2 3 x 5 x 17. 680 is the 15th tetrahedral number . It is the smallest tetrahedral number that is also the sum of two tetrahedral num...