2019

This number is a composite.

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2019^2^(9-1-0-2)-2018 is prime and sod(2019^2^(9-1-0-2)-2018) is an emirp [Sariyar]

Submitted: 2018-12-29 21:55:27;   Last Modified: 2018-12-29 22:01:35.
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