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Search: id:A065990
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| A065990 |
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The first n base-5 digits of Pi expressed in decimal forms a prime. |
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+0
1
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OFFSET
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1,2
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EXAMPLE
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The first 6 quinary digits of Pi (A004604) are 303232 = 9817 in decimal, which is a prime.
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MATHEMATICA
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Do[ If[ PrimeQ[ FromDigits[ First[ RealDigits[Pi, 5, n]], 5]], Print[n]], {n, 1, 3600} ]
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CROSSREFS
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Cf. A004604.
Adjacent sequences: A065987 A065988 A065989 this_sequence A065991 A065992 A065993
Sequence in context: A012497 A012690 A004785 this_sequence A022025 A106303 A001526
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KEYWORD
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base,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 10 2001
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