131707310437
This number is a prime.
13 1707310437
Single Curio View: (Seek other curios for this number)
A prime formed by squaring the factorials of all odd digits and adding them together, i.e., 1!2 + 3!2 + 5!2 + 7!2 + 9!2. [Post]
Submitted: 2004-10-04 22:03:23; Last Modified: 2008-08-01 12:15:14.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell