623
This number is a composite.
Single Curio View: (Seek other curios for this number)
The largest 3-digit number n such that 2^n-n^2 is prime. [Loungrides]
Submitted: 2014-05-09 09:31:59; Last Modified: 2020-07-27 19:25:45.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell