A059465 Numbers which are the sum of their proper divisors containing the digit 6.

528, 27340, 27380, 122780, 130420, 130564, 130580, 134740, 147380, 225932, 227380, 241340, 243220, 245380, 251380, 252380, 252820, 253180, 253420, 253780, 259340, 271340, 272380, 272980, 273140, 273380, 273580, 273820, 279340, 305380, 307220, 322540, 322780

Offset

1,1

Links

Hiroaki Yamanouchi, Table of n, a(n) for n = 1..1532

Mathematica

spd6Q[n_]:=Total[Select[Most[Rest[Divisors[n]]], DigitCount[#, 10, 6]> 0&]] == n; Select[Range[330000], spd6Q]//Quiet (* Harvey P. Dale, Apr 15 2017 *)

Crossrefs

Cf. A059461, A271448, A059462, A059463, A059464, A059466, A059467, A059468.

Sequence in context: A223253 A233103 A223244 * A071236 A048101 A233087

Adjacent sequences: A059462 A059463 A059464 * A059466 A059467 A059468

Keyword

base,nonn

Author

Erich Friedman, Feb 03 2001

Extensions

a(4)-a(33) from Hiroaki Yamanouchi, Sep 24 2014

Status

approved