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Search: id:A104168
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| A104168 |
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Smallest Smith number with n prime factors. |
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+0
2
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| 4, 27, 636, 378, 729, 648, 576, 2688, 17496, 44928, 75776, 168960, 765952, 319488, 958464, 5537792, 5963776, 2883584, 5767168, 7077888, 279969792, 544997376, 778567680, 2579496960, 4567597056, 3875536896
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OFFSET
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2,1
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COMMENT
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Maximum number of prime factors of a Smith number below 10^9 is 24.
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REFERENCES
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S. S. Gupta, Smith Numbers, Mathematical Spectrum, 37 (2004/5), 27-29.
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LINKS
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S. S. Gupta, Smith Numbers.
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EXAMPLE
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a(3)=636 because 636 is the smallest Smith number with 4 prime factors.
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CROSSREFS
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Cf. A006753, A104169.
Sequence in context: A119030 A120093 A133018 this_sequence A068327 A066842 A133032
Adjacent sequences: A104165 A104166 A104167 this_sequence A104169 A104170 A104171
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KEYWORD
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nonn
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AUTHOR
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Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 10 2005 and May 03 2005
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