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A062041 Positive numbers whose product of digits is 9 times their sum. 10

%I #11 Sep 11 2022 12:13:18

%S 369,396,466,639,646,664,693,936,963,2266,2338,2383,2626,2662,2833,

%T 3238,3283,3328,3382,3823,3832,6226,6262,6622,8233,8323,8332,11379,

%U 11397,11459,11495,11549,11594,11739,11793,11937,11945,11954,11973

%N Positive numbers whose product of digits is 9 times their sum.

%H Harry J. Smith, <a href="/A062041/b062041.txt">Table of n, a(n) for n = 1..500</a>

%e 12339 belongs to the sequence as (1*2*3*3*9)/(1+2+3+3+9) = 162/18 = 9.

%o (PARI) isok(n) = my(d=digits(n)); vecprod(d)==9*vecsum(d) \\ _Mohammed Yaseen_, Sep 11 2022

%Y Cf. A011540, A034710, A062034, A062035, A062036, A062382, A062037, A062384, A062040, A062043, A062045.

%K nonn,base,easy

%O 1,1

%A _Amarnath Murthy_, Jun 28 2001

%E Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jul 06 2001

%E Offset corrected by _Mohammed Yaseen_, Sep 11 2022

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Last modified March 28 17:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)