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Search: id:A066540
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| A066540 |
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The first of two consecutive primes with equal digital sums. |
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+0
1
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| 523, 1069, 1259, 1759, 1913, 2503, 3803, 4159, 4373, 4423, 4463, 4603, 4703, 4733, 5059, 5209, 6229, 6529, 6619, 7159, 7433, 7459, 8191, 9109, 9749, 9949, 10691, 10753, 12619, 12763, 12923, 13763, 14033, 14107, 14303, 14369, 15859, 15973
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Subset of A117838. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 13 2008
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LINKS
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G. L. Honaker, Jr. and C. Caldwell, Prime Curios!
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EXAMPLE
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a(1)=523 because it along with 541, the next prime, both have a digital sum of 10.
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MATHEMATICA
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Prime[ Select[Range[2000], Apply[ Plus, IntegerDigits[ Prime[ # ]]] == Apply[ Plus, IntegerDigits[ Prime[ # + 1]]] & ]]
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CROSSREFS
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Cf. A007513.
Adjacent sequences: A066537 A066538 A066539 this_sequence A066541 A066542 A066543
Sequence in context: A095651 A117838 A031936 this_sequence A080912 A045209 A125012
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KEYWORD
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base,easy,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jan 06 2002
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