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Search: id:A036950
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| A036950 |
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Smallest n-digit prime containing only digits 7 and 9, or 0 if no such prime exists. |
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+0
1
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| 7, 79, 797, 0, 77797, 777977, 7777997, 77779799, 777777799, 7777779799, 77777779979, 777777779777, 7777777779977, 77777777777977, 777777777779797, 7777777777797799, 77777777777777797, 777777777777797977
(list; graph; listen)
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