This number is a prime.

Single Curio View:   (Seek other curios for this number)
The smallest 4-digit prime (emirp) whose difference of the two left most digits (1 and 0) equals the difference of the two rightmost digits (2 and 1). [Loungrides]

Submitted: 2012-02-16 08:55:12;   Last Modified: 2020-07-26 19:46:16.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell