2

This number is a prime.

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The smallest n where the sum of the nth prime + the nth composite number - 4, the sum of their squares - 4, the sum of their cubes - 4 and the sum of their fourth powers - 4 are all prime [Homewood]

Submitted: 2018-05-07 15:02:00;   Last Modified: 2018-05-07 17:03:44.
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