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A156553 Primes where the first digit is not a prime but all the other digits are primes. +0
2
13, 17, 43, 47, 67, 83, 97, 127, 137, 157, 173, 433, 457, 653, 673, 677, 823, 827, 853, 857, 877, 937, 953, 977 (list; graph; listen)
OFFSET

1,1

LINKS

Chris Caldwell, The First 1,000 Primes

EXAMPLE

977 is a prime in which the first digit is not a prime but all the other digits are primes.

CROSSREFS

Cf. A000040

Sequence in context: A043893 A068497 A125524 this_sequence A140533 A076789 A089577

Adjacent sequences: A156550 A156551 A156552 this_sequence A156554 A156555 A156556

KEYWORD

nonn,base

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 09 2009

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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