94111

This number is a prime.

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

The emirp ZIP Code of San Francisco, CA. It consists of digits that are perfect squares and the sum of whose digits is a perfect square. This emirp is also the concatenation of two primes, one of which is an emirp and the other is a repunit prime. [Green]

Submitted: 2013-02-10 23:25:53; Last Modified: 2022-02-23 01:27:45.