This number is a prime.
Single Curio View: (Seek other curios for this number)(1931 and 3119) is the only pair of 4-digit primes formed by concatenating in order and reverse order two consecutive primes in the sequence of odd-digit primes. [Loungrides]
Submitted: 2012-07-24 06:16:05; Last Modified: 2020-07-05 17:52:01.
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