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A117058
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Palindromes for which the product of the digits is prime.
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0
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2, 3, 5, 7, 121, 131, 151, 171, 11211, 11311, 11511, 11711, 1112111, 1113111, 1115111, 1117111, 111121111, 111131111, 111151111, 111171111, 11111211111, 11111311111, 11111511111, 11111711111, 1111112111111, 1111113111111
(list; graph; refs; listen; history; internal format)
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