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Search: id:A036337
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| A036337 |
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Largest integer with n digits and exactly n prime factors (counted with multiplicity). |
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+0
2
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| 7, 95, 994, 9999, 99996, 999992, 9999968, 99999840, 999999968, 9999999900, 99999999840, 999999999744, 9999999998720, 99999999998400, 999999999999000, 9999999999999744, 99999999999995904, 999999999999967232
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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Matthew M. Conroy, Home page (listed instead of email address)
C. Rivera, Related puzzle
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EXAMPLE
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95 = 5 x 19, while 96, 97, 98, 99 and 100 have, respectively, 6,1,3,3 and 4 prime factors; thus 95 is the largest two digit number with exactly two prime factors.
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CROSSREFS
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Cf. A036335-A036338.
Sequence in context: A071584 A132114 A015225 this_sequence A130183 A156961 A054932
Adjacent sequences: A036334 A036335 A036336 this_sequence A036338 A036339 A036340
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KEYWORD
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nonn,base
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.
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EXTENSIONS
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More terms and better description from Matthew M. Conroy, May 25 2001
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