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A062674 Composite and every divisor (except 1) contains the digit 6. 2
16043, 16409, 17621, 26569, 36661, 37637, 39467, 40267, 40669, 41663, 42869, 45761, 46297, 46421, 46909, 52643, 61289, 64721, 64789, 64843, 65209, 69169, 71623, 72361, 75469, 76121, 76987, 91769, 96521, 97661, 97963, 100367, 101369 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..32.

EXAMPLE

26569 has divisors 163 and 26569, all of which contain the digit 6

MATHEMATICA

Select[Range[2, 102000], !PrimeQ[#]&&And@@(MemberQ[IntegerDigits[#], 6]&/@ Rest[Divisors[#]])&] (* Harvey P. Dale, May 26 2013 *)

fQ[n_, dgt_] := Union[ MemberQ[#, dgt] & /@ IntegerDigits@ Rest@ Divisors@ n][[1]]; Select[ Range[2, 101400], !PrimeQ[#] && fQ[#, 6] &] (* Robert G. Wilson v, Jun 11 2014 *)

CROSSREFS

Sequence in context: A163112 A202420 A031839 * A274680 A286662 A222419

Adjacent sequences:  A062671 A062672 A062673 * A062675 A062676 A062677

KEYWORD

base,easy,nonn

AUTHOR

Erich Friedman, Jul 04 2001

STATUS

approved

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Last modified September 16 02:16 EDT 2019. Contains 327088 sequences. (Running on oeis4.)