# 19759

This number is a prime.

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This emirp is the sum of the two largest local deviations in the rocky surface of the Earth in meters: Mount Everest (8848 m above local sea level) and the Mariana Trench (10911 m below local sea level). 10911 + 8848 = 19759 is prime; reverse digits to get 95791 is prime. [Post]

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