4480649
This number is a prime.
Just showing those entries submitted by 'Worrom': (Click here to show all)
The smallest loop-digit Cyclops prime with all loop digits {0,4,6,8,9}. Note that sigma(digit-length) equals the number of loops. [Worrom]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell