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A103171
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Start of nine consecutive primes whose digit reversals are also prime.
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3
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1193, 1201, 7904639, 91528739, 91528777, 120890249, 154984343, 174625597, 302706311, 302706319, 312700789, 318629783, 707262887, 756791029, 777528457, 777528461, 778286917, 778286947, 923780981, 924408493, 924408497, 958610069
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OFFSET
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1,1
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COMMENTS
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There are large gaps in this sequence because all terms begin with 1, 3, 7, or 9.
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LINKS
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EXAMPLE
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1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237 and 1249 are consecutive primes.
Their digit reversals, 3911, 1021, 3121, 7121, 3221, 9221, 1321, 7321 and 9421, are all prime.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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