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Search: id:A061247
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| A061247 |
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Prime numbers with every digit a perfect cube, i.e. consisting of only digits 0, 1 and 8. |
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+0
1
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| 11, 101, 181, 811, 881, 1181, 1801, 1811, 8011, 8081, 8101, 8111, 10111, 10181, 11801, 18181, 80111, 81001, 81101, 81181, 88001, 88801, 88811, 100801, 100811, 101081, 101111, 108011, 108881, 110881, 118081, 118801, 180001, 180181, 180811
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(6) = 1801, 1801 is a prime and consists of only 1,8 and 0.
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MATHEMATICA
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Select[Prime[Range[50000]], Length[Union[{0, 1, 8}, IntegerDigits[ # ]]] == 3&] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jun 10 2007
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CROSSREFS
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Cf. A061246.
Sequence in context: A084987 A083185 A007597 this_sequence A068188 A032592 A142317
Adjacent sequences: A061244 A061245 A061246 this_sequence A061248 A061249 A061250
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KEYWORD
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nonn,base,less
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 23 2001
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EXTENSIONS
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Corrected and extended by Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jun 10 2007
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