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Search: id:A067523
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| A067523 |
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The smallest prime with a possible minimum digit sum. |
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+0
3
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| 2, 3, 13, 5, 7, 17, 19, 29, 67, 59, 79, 89, 199, 389, 499, 599, 997, 1889, 1999, 2999, 4999, 6899, 17989, 8999, 29989, 39989, 49999, 59999, 79999, 98999, 199999, 389999, 598999, 599999, 799999, 989999, 2998999, 2999999, 4999999, 6999899, 8989999
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Except for 3 no other prime has a digit sum which is a multiple of 3. Hence the possible digit sums are 2,3,4,5,7,8,10,11,13,14,16,...etc. Conjecture : For every possible digit sum there exists a prime.
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CROSSREFS
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Equals A067180 with the 0 terms removed.
Adjacent sequences: A067520 A067521 A067522 this_sequence A067524 A067525 A067526
Sequence in context: A067182 A085402 A085400 this_sequence A035515 A076988 A128369
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 14 2002
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EXTENSIONS
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More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Feb 18 2002
Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Apr 24 2007
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