457
This number is a prime.
Single Curio View: (Seek other curios for this number)
The concatenation of the three values of n for which (n!+1)
is a perfect square. [Kilpatrick]
Submitted: 2018-09-20 00:20:03; Last Modified: 2018-09-20 00:25:33.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell