login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A187238 Numbers divisible by at least four of their digits, different and >1. 8

%I

%S 2364,2436,3264,3276,3492,3624,3648,3864,3924,4236,4368,4392,4632,

%T 4872,4896,4932,4968,6324,6384,6432,6984,8496,8736,9324,9432,9648,

%U 9864,12384,12648,12768,12864,13248,13824,13896,13968,14328,14728,14832,16248,16824,17248,18264

%N Numbers divisible by at least four of their digits, different and >1.

%C There are 14594 terms < 10^6.

%C Asymptotic density 10/63 = 0.158.... - _Charles R Greathouse IV_, Mar 11 2011

%H Amiram Eldar, <a href="/A187238/b187238.txt">Table of n, a(n) for n = 1..10000</a>

%t numdig = 4; Select[Range[23640], Length[(u = Union[Select[IntegerDigits[#], #1 > 1 &]])] >= numdig && Plus @@ (Boole@Divisible[#, u]) >= numdig &] (* _Amiram Eldar_, Aug 30 2020 *)

%Y Subsequence of A187398.

%Y Cf. A187516, A187238, A187533, A187534, A187551, A187565.

%K nonn,base

%O 1,1

%A _Zak Seidov_, Mar 11 2011

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 27 05:27 EST 2020. Contains 338678 sequences. (Running on oeis4.)