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A156553
Primes where the first digit is not a prime but all the other digits are primes.
1
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; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..24.
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: A239901 A068497 A125524 * A248474 A140533 A180527
Adjacent sequences: A156550 A156551 A156552 * A156554 A156555 A156556
KEYWORD
nonn,base
AUTHOR
Parthasarathy Nambi, Feb 09 2009
STATUS
approved

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Last modified November 7 00:48 EST 2024. Contains 377523 sequences.
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