337

This number is a prime.

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

(337, 373) is the only known case of a pair of primes formed by concatenating in order and reverse order the prime factors of a repunit number, R3=111, (111=3*37=37*3). [Loungrides]

Submitted: 2015-10-09 14:21:17; Last Modified: 2018-10-24 11:47:15.