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Search: id:A036939
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| A036939 |
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Smallest n-digit prime containing only digits 2 and 9, or 0 if no such prime exists. |
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+0
1
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| 2, 29, 229, 2999, 22229, 0, 2222929, 22229299, 222229229, 2222229299, 22222229299, 0, 2222222229229, 22222222222229, 222222222229229, 2222222222229299, 22222222222922299, 0, 2222222222222292929
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