7487

This number is a prime.

Single Curio View: (Seek other curios for this number)

The largest prime p of the type p=q*R(q)-(q+R(q)) where q is a double-digit number and R(q) its reversal (case q=97). [Loungrides]

Submitted: 2016-03-20 13:18:31; Last Modified: 2018-11-23 13:57:31.