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单词 PrimeDifferenceFunction
释义

prime difference function


The prime difference functionMathworldPlanetmath is an arithmetic function for any positive integer n, denoted as dn and gives the differencePlanetmathPlanetmath between two consecutive primes pn and pn+1:

dnpn+1-pn.

For example:

  • d1=p2-p1=3-2=1,

  • d10=p11-p10=31-29=2,

  • d100=p101-p100=547-541=6,

  • d1000=p1001-p1000=7927-7919=8,

  • d10000=p10001-p10000=104743-104729=14 and so forth.

The first few values of dn for n=1,2,3, are1,2,2,4,2,4,2,4,6,2,6,4,2,4,6,6,2,6,4,2,(http://www.research.att.com/ njas/sequencesMathworldPlanetmath/eisA.cgi?Anum=001223OEIS A001223).

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更新时间:2025/5/4 17:31:11