7

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The only prime heptagonal number. [Homewood]

Submitted: 2011-11-08 12:18:41;   Last Modified: 2012-03-11 06:11:33.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell