1791731

This number is a prime.

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

Starts the smallest prime quadruple where only the end digits of multidigit primes (1,3,7,9) appear in any of its four terms. [Punches]

Submitted: 2009-07-08 12:18:48; Last Modified: 2009-07-08 16:07:06.