1433

This number is a prime.

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There are only two Honaker primes, 1433 and 6737, whose squares have no duplicate digits. Their concatenations, 14336737 and 67371433, are both prime numbers. [Gaydos]

Submitted: 2017-05-26 07:19:51;   Last Modified: 2020-06-10 17:58:06.
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