Showing posts with label emirp. Show all posts
Showing posts with label emirp. Show all posts

Tuesday, August 04, 2020

Emirp

(Click on the comic if you can't see the full image.)

(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.