2341

This number is a prime.

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The only prime consisting of four successive digits that is also a concatenation of two double-digit primes, (23, 41). The other twelve primes that consist of four successive digits are: 1423, 2143, 2543, 4231, 4253, 4523, 4567, 4657, 5647, 5867, 6547 and 6857. [Loungrides]

Submitted: 2020-07-01 06:18:51; Last Modified: 2020-07-05 16:16:36.