The book is now available! 13
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Single Curio View:   (Seek other curios for this number)


There are exactly 13 positive integers that cannot be written as the sum of four hexagonal numbers. Their sum is a prime number whose sum of digits is 13. [Capelle]


  Submitted: 2009-08-19 05:16:20;   Last Modified: 2009-08-19 06:01:47.

Prime Curios! © 2000-2020 (all rights reserved)  privacy statement