Emirp
Results: 3
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1![]() | Glossary absolute prime a prime that remains prime for all permutations of its digits. E.g., 199, 919, and 991 are all primes. German mathematician H. E. Richert (1924–1993) originally called it a permutable prime. almAdd to Reading ListSource URL: www.utm.eduLanguage: English - Date: 2009-10-06 03:24:40 |
2![]() | Prime Curios! 13 Oxford, England. She is now a retired teacher whose married name is Venetia Phair. [Paddy]Add to Reading ListSource URL: www.utm.eduLanguage: English - Date: 2009-10-06 03:03:50 |
3![]() | 31 Prime Curios! The smallest prime such that replacing each digit d with d copies of the digit d produces a different prime (3331).Add to Reading ListSource URL: www.utm.eduLanguage: English - Date: 2009-10-06 03:07:42 |