7429

This number is a composite.

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The only 4-digit 2-sphenic number whose absolute difference between any two of its digits is prime, (7429 = 17*19*23). Note that its prime factors are successive primes. [Loungrides]

Submitted: 2018-05-11 12:12:38;   Last Modified: 2018-12-11 21:33:15.
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