9199999999
This number is a prime.
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The only near-repdigit prime with non-prime digits d used exactly d times each. Note that this prime remains prime when adjacent digits are wedged apart by pairs of digit 0 inserted throughout in palisades: 9001009009009009009009009009. [Beedassy]
Submitted: 2009-05-25 22:08:36; Last Modified: 2009-05-26 00:15:32.
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