434

This number is a composite.

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A palindrome that produces a Composed prime: 434 = 2 x 7 x 31 and 4² + 3⁷ + 4³¹ = 4611686018427390107 is prime. [De Geest]

Submitted: 1999-09-02 23:40:00; Last Modified: 2008-01-30 17:28:00.