63

This number is a composite.

Single Curio View:   (Seek other curios for this number)
63^63-220 is the only positive non-titanic prime of form n^n minus the smallest amicable number. [Loungrides]

Submitted: 2015-05-04 19:18:50;   Last Modified: 2018-12-31 14:39:35.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell