641
This number is a prime.
Single Curio View: (Seek other curios for this number)
641 = 42 + 252 = 24 + 54 = (12 + 12)4 + (12 + 22)4. [Melo]
Submitted: 1999-09-23 01:12:53; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell