5

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The number of known strobogrammatic squares. The number of distinct digits to write them. [Capelle]

Submitted: 2009-06-28 03:41:43;   Last Modified: 2009-06-28 07:58:41.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell