1597

This number is a prime.

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

+ The smallest distinct-odd digit "extra" center-deletable prime (emirp), i.e., deleting the central double-digit prime, another prime remains. [Loungrides]

+ (1597, 7951) is the 1st pair of 4-digit emirps consisting of distinct odd digits. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell