668273

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The number of solutions to the 26-variable equation: 1A + 2B + 3C + 4D + 5E + ... + 26Z = 1, where each variable A, B, C, ..., Z, is either +1 or -1. [Post]

Submitted: 2007-11-24 23:33:14;   Last Modified: 2008-04-13 22:34:33.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell