This number is a prime.

Single Curio View:   (Seek other curios for this number)
California was the 31st state to be granted statehood. Hence, the U. S. flag was changed to display 31 stars and 13 stripes (an emirp pair). [Green]

Submitted: 2010-02-07 19:14:28;   Last Modified: 2010-02-07 20:13:01.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell