617
This number is a prime.
Single Curio View: (Seek other curios for this number)
617 = 1!^2 + 2!^2 + 3!^2 + 4!^2. [Meller]
Submitted: 2010-02-08 21:31:51; Last Modified: 2010-02-08 21:59:17.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell