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holey prime (another Prime Pages' Glossary entries) |
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Glossary:
Prime Pages:
Top 5000:
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holey primes are primes that have only digits with
holes, i.e., 0, 4, 6, 8, or 9. E.g., 4649 and
9593400049593.
Chris Caldwell © 1999-2008 (all rights reserved)
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