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A140969
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Prime numbers whose hexadecimal representation uses only the digits A,B,C,D,E,F (and not the decimal digits).
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3
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11, 13, 173, 191, 223, 239, 251, 2731, 2749, 2767, 2797, 3019, 3023, 3037, 3067, 3259, 3307, 3323, 3499, 3517, 3533, 3547, 3581, 3583, 3803, 3821, 3823, 4013, 4027, 4079, 4091, 4093, 43691, 43711, 43759, 43951, 43963, 43997, 44027, 44029, 44203, 44207
(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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Charles R Greathouse IV, Nov 16 2009, Table of n, a(n) for n = 1..10000
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EXAMPLE
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11=B 13=D 113=AD 131=BB
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PROG
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From Michael B. Porter, Dec 01 2009: (Start)
(PARI) mindigit(n, b) = if(n<b, n, min(mindigit(floor(n/b), b), n%b))
isA140969(n) = (isprime(n) && mindigit(n, 16) > 9) (End)
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CROSSREFS
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Cf. A238090.
Sequence in context: A178426 A252170 A144375 * A064759 A238090 A093605
Adjacent sequences: A140966 A140967 A140968 * A140970 A140971 A140972
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KEYWORD
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base,nonn
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AUTHOR
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Gil Broussard, Jul 27 2008
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EXTENSIONS
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Edited by N. J. A. Sloane, Nov 15 2009
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STATUS
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approved
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