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A090715 Primes which are also prime if their base 31 representation is interpreted as a base 10 number. +0
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2, 3, 5, 7, 71, 127, 131, 193, 251, 257, 1061, 1063, 1117, 1123, 1181, 1187, 1249, 1987, 1993, 2111, 2917, 3041, 3109, 3169, 3853, 3907, 4099, 4967, 5023, 5087, 5897, 5953, 6823, 6829, 6883, 6947, 7013, 7753, 7757, 7759, 7877, 7937, 8681, 8689, 8807, 8867 (list; graph; listen)
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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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