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A051416
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Primes whose digits are composite.
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3
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89, 449, 499, 4649, 4889, 4969, 4999, 6449, 6469, 6689, 6869, 6899, 6949, 8669, 8689, 8699, 8849, 8969, 8999, 9649, 9689, 9949, 44449, 44699, 46489, 46499, 46649, 46889, 48449, 48649, 48869, 48889, 48989, 49499, 49669, 49999, 64489, 64499, 64849, 64969, 66449
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Chris Caldwell, The Prime Glossary, Composite number
G. L. Honaker, Jr. and Chris Caldwell, Prime Curios! 89
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MATHEMATICA
| Select[Prime@Range[6500], Intersection[IntegerDigits[ # ], {0, 1, 2, 3, 5, 7}] == {} & ] (*Chandler*)
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CROSSREFS
| Cf. A019546, A061372.
Sequence in context: A083473 A142186 A142757 * A142904 A172523 A159747
Adjacent sequences: A051413 A051414 A051415 * A051417 A051418 A051419
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KEYWORD
| nonn,easy,base,less
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AUTHOR
| G. L. Honaker, Jr. (honak3r(AT)gmail.com), Jan 17 2000
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EXTENSIONS
| Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Mar 04 2007
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