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A118722
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Chen primes for which the product of the digits is also a Chen prime.
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0
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2, 3, 5, 7, 13, 17, 31, 71, 113, 131, 211, 311, 1117, 1151, 1511, 2111, 11117, 11171, 131111, 311111, 511111, 1111151, 1111211, 1111711, 1117111, 11111117, 11111171, 71111111
(list; graph; refs; listen; history; internal format)
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