61

This number is a prime.

Single Curio View:   (Seek other curios for this number)
You can arrange 61 coins into a hexagonal pattern with one coin in the center.

Submitted: 1999-09-02 23:40:00;   Last Modified: 2008-01-30 17:19:16.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell