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Search: id:A131648
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| A131648 |
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Primes > 100 in which every multi-digit substring is also prime. |
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+0
3
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| 113, 131, 137, 173, 179, 197, 311, 313, 317, 373, 379, 419, 431, 479, 613, 617, 619, 673, 719, 797, 971, 1373, 3137, 3797, 6131, 6173, 6197, 9719
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Minimum number of digits is taken to be 3 as all two-digit primes would be trivial members.
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EXAMPLE
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9719 is a member becauase 97, 71, 19, 971, 719, 9719 are all primes.
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CROSSREFS
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Cf. This sequence is a subsequence of A069488 - Primes > 100 in which every substring of length 2 is also prime.
Sequence in context: A159466 A060591 A069488 this_sequence A163760 A095617 A139645
Adjacent sequences: A131645 A131646 A131647 this_sequence A131649 A131650 A131651
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KEYWORD
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base,fini,full,nonn
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AUTHOR
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Tanya Khovanova (tanyakh(AT)yahoo.com), Sep 09 2007
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