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A201054
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Composite numbers whose product of digits is 5.
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1
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15, 51, 115, 511, 1115, 5111, 11115, 11151, 11511, 15111, 51111, 111115, 111151, 111511, 115111, 151111, 1111115, 1111511, 1115111, 1151111, 1511111, 5111111, 11111115, 11111151, 11111511, 11115111, 11151111, 11511111, 15111111, 51111111, 111111115, 111111151
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OFFSET
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1,1
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COMMENTS
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Complement of A107691 with respect to A199985. Subsequence of A201018 (composite numbers whose multiplicative digital root is 5).
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LINKS
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EXAMPLE
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Number 115 is in sequence because 1*1*5=5.
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MAPLE
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remove(isprime, [seq(seq((10^m-1)/9 + 4*10^j, j=0..m-1), m=1..10)]); # Robert Israel, Jan 03 2017
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CROSSREFS
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Cf. A107691 (primes whose product of digits is 5), A199985 (numbers whose product of digits is 5).
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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