2

This number is a prime.

Single Curio View:   (Seek other curios for this number)
Only prime whose sum of divisors is odd. [Gupta]

Submitted: 2010-03-31 00:56:55;   Last Modified: 2010-03-31 01:10:37.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell