beastly prime
(another Prime Pages' Glossary entries)
The Prime Glossary
Glossary: Prime Pages: Top 5000: A palindromic beastly prime has 666 in the center, 0's surrounding these digits, and 1 or 7 at the end. E.g., 700666007. A non-palindromic beastly prime begins with a 666, followed by 0's, with either a 1 or 7 at the right end. E.g., 6660000000001.




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