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A156553
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Primes where the first digit is not a prime but all the other digits are primes.
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1
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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)
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OFFSET
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1,1
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LINKS
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EXAMPLE
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977 is a prime in which the first digit is not a prime but all the other digits are primes.
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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