1226280710981

This number is a prime.

122 6280710981

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

1226280710981 = 1! - 2! + 3! - 4! + 5! - 6! + 7! - 8! + 9! - 10! + 11! - 12! + 13! - 14! + 15! is prime. [Warriner]

Submitted: 2003-06-13 06:40:46; Last Modified: 2008-08-01 12:18:43.