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%I #10 Feb 21 2017 15:58:06
%S 1,2,3,4,5,6,7,8,9,22,23,24,25,26,27,28,29,32,33,34,35,36,37,38,39,42,
%T 43,44,45,46,47,48,49,52,53,54,55,56,57,58,59,62,63,64,65,66,67,68,69,
%U 72,73,74,75,76,77,78,79,82,83,84,85,86,87,88,89,92,93,94,95,96,97,98
%N Numbers with property that sum of digits is less than or equal to product of digits.
%H Harry J. Smith, <a href="/A062998/b062998.txt">Table of n, a(n) for n=1,...,1000</a>
%t Select[Range[100],Total[IntegerDigits[#]]<=Times@@IntegerDigits[#]&] (* _Harvey P. Dale_, Feb 21 2017 *)
%o (PARI) SumD(x)= { s=0; while (x>9, s+=x-10*(x\10); x\=10); return(s + x) } ProdD(x)= { p=1; while (x>9, p*=(x-10*(x\10)); x\=10); return(p*x) } { n=0; for (a=1, 10^9, if (SumD(a) <= ProdD(a), write("b062998.txt", n++, " ", a); if (n==1000, break)) ) } \\ _Harry J. Smith_, Aug 15 2009
%o (PARI) is_A062998(n)={normlp(n=digits(n),1)<=prod(i=1,#n,n[i])} \\ _M. F. Hasler_, Oct 29 2014
%Y Cf. A007953, A007954, A034710, A062329, A062996, A062997, A062998, A062999.
%Y Not the same as A037344 (contains 124).
%K base,nonn,easy
%O 1,2
%A _Henry Bottomley_, Jun 29 2001
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