Practical Numbers
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Description: A number is practical if all smaller numbers are sums of distinct divisors. Tables compiled by Giuseppe Melfi.
is a sum of distinct divisors of Some article about practical numbers can be found on line in P. Erdos, W. Sierpinski, G. Tenenbaum, E. Saias B.M. Stewart, H.N. Shapiro, M. Margenstern, M. Hausman, and others dealt with practical numbers in their papers.
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| Page title: | Practical numbers |
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| Date | Created: 1996-01-29 00:00:00 Created: 2007-03-01 10:42:01 Created: 2007-03-01 10:42:01 Last Update: 2014-01-30 00:35:58 Last Update: 2011-03-24 11:01:07 Last Update: 2011-03-24 11:01:09 |