1259

This number is a prime.

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The smallest emirp using the end digits of each prime digit raised to a positive nonprime power: 2¹ = 2, 3⁶ = 729, 5¹ = 5, 7⁴ = 2401. [Beedassy]

Submitted: 2010-12-18 18:56:43; Last Modified: 2020-06-23 15:28:45.