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Search: id:A068190
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A068190 Largest number of which the product of digits equals n; a(n)=0 if no such number exists, e.g. when n has prime-factor larger than 7; no digit=1 is permitted to avoid infinite number of solutions. +0
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0, 2, 3, 22, 5, 32, 7, 222, 33, 52, 0, 322, 0, 72, 53, 2222, 0, 332, 0, 522, 73, 0, 0, 3222, 55, 0, 333, 722, 0, 532, 0, 22222, 0, 0, 75, 33222, 0, 0, 0, 5222, 0, 732, 0, 0, 533, 0, 0, 32222, 77, 552, 0, 0, 0, 3332, 0, 7222, 0, 0, 0, 5322, 0, 0, 733, 222222, 0, 0, 0, 0, 0 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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