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A062999
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Numbers n with property that the sum of the digits of n is strictly less than the product of the digits of n.
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5
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23, 24, 25, 26, 27, 28, 29, 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 44, 45, 46, 47, 48, 49, 52, 53, 54, 55, 56, 57, 58, 59, 62, 63, 64, 65, 66, 67, 68, 69, 72, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 85, 86, 87, 88, 89, 92, 93, 94, 95, 96, 97, 98, 99, 124, 125, 126, 127
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,1000
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MATHEMATICA
| Select[Range[128], (Plus @@ IntegerDigits[ # ]) < (Times @@ IntegerDigits[ # ]) &] (Alonso Delarte (alonso.delarte(AT)gmail.com), May 16 2005)
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PROG
| (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("b062999.txt", n++, " ", a); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 15 2009]
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CROSSREFS
| Cf. A007953, A007954, A034710, A062329, A062996, A062997, A062998, A062999.
Sequence in context: A040507 A022357 A165844 * A007638 A031332 A122470
Adjacent sequences: A062996 A062997 A062998 * A063000 A063001 A063002
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KEYWORD
| base,nonn
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AUTHOR
| Henry Bottomley (se16(AT)btinternet.com), Jun 29 2001
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