17

This number is a prime.

Single Curio View:   (Seek other curios for this number)
17 is the only odd prime p such that p + sod(p) and p - sod(p) are square numbers (52 and 32, respectively). [Rivera]

Submitted: 2002-12-04 22:56:09;   Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell