3

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The only prime p whose factorial is the sum of the first p numbers. [Silva]

Submitted: 2009-02-13 05:59:20;   Last Modified: 2009-02-13 16:03:08.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell