7
This number is a prime.
Single Curio View: (Seek other curios for this number)
72 can be written as a sum of squares in 72 + 72 ways. [Hartley]
Submitted: 2003-07-24 01:50:46; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell