3391

This number is a prime.

Just showing those entries submitted by 'Sariyar': (Click here to show all)

+ 3391 is the smallest emirp that is the sum of first n strobogrammatic numbers (case n=13, the smallest emirp). [Sariyar]

(There are 2 curios for this number that have not yet been approved by an editor.)

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell