1459

This number is a prime.

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919 = 1^3 + 4^3 + 5^3 + 9^3, and 1459 = 9^3 + 1^3 + 9^3. This is the smallest pair of prime numbers which are mutually the sums of (the same) powers of each others digits. [Hartley]

Submitted: 2002-05-20 05:29:23; Last Modified: 2008-01-30 17:28:00.