circular-digit prime
(another Prime Pages' Glossary entries)
The Prime Glossary
Glossary: Prime Pages: Top 5000:
GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

A prime that has only the digits 0, 6, 8, or 9. E.g., 60686069. It is also called a loop-digit prime.

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