31

This number is a prime.

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A computer simulation of cosmic voids that pervade our universe?

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Maybe not ... but it is the result of repeatedly spiraling the sequence of digits into a 31 x 31 matrix, then displaying only the "zeros."

Submitted: 2020-07-10 17:50:52;   Last Modified: 2020-07-13 18:30:06.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell