102181
This number is a prime.
Just showing those entries submitted by 'Loungrides': (Click here to show all)
The smallest emirp that is simultaneously super-2 and super-4 emirp, i.e., 2*102181^2=20881913522 and
4*102181^4=436054312340286444484. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell