<span class="searchmatch">semiperfect</span> <span class="searchmatch">number</span> (plural <span class="searchmatch">semiperfect</span> numbers) (mathematics) A <span class="searchmatch">number</span> which is the sum of some, or all, of its proper divisors. Synonym: pseudoperfect...
<span class="searchmatch">semiperfect</span> numbers plural of <span class="searchmatch">semiperfect</span> <span class="searchmatch">number</span>...
pseudoperfect <span class="searchmatch">number</span> (plural pseudoperfect numbers) Synonym of <span class="searchmatch">semiperfect</span> <span class="searchmatch">number</span> (“a <span class="searchmatch">number</span>, some or all of whose proper divisors sum to itself”)....
semidualizing R-module. (mathematics) Of an integer equal to the sum of all or some of its proper divisors. Synonym: pseudoperfect <span class="searchmatch">semiperfect</span> <span class="searchmatch">number</span>...
(mathematics) Of a <span class="searchmatch">number</span>, having proper divisors, some or all of which sum to the <span class="searchmatch">number</span> itself. Synonym: <span class="searchmatch">semiperfect</span> The <span class="searchmatch">number</span> 18 is pseudoperfect...
article on: weird <span class="searchmatch">number</span> Wikipedia weird <span class="searchmatch">number</span> (plural weird numbers) (<span class="searchmatch">number</span> theory) A natural <span class="searchmatch">number</span> that is abundant but not <span class="searchmatch">semiperfect</span>; one for which...
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