Emirp

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(C)Copyright 2020, C. Burke. "AnthroNumerics" is a trademark of Christopher J. Burke and (x, why?).

It's hard to tell if the emirp is coming or going.

If it isn't obvious, an emirp is a prime number that is still a prime when the digits are reversed. There are also cyclic emirps, where every prime in the cycle is a still a prime when it is reversed.

As for the Weird guy, longtime readers have seen him before.

Come back often for more funny math and geeky comics.