Deficient number: Revision history

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21 March 2009

  • curprev 23:4423:44, 21 March 2009‎ Vipul talk contribs‎ 664 bytes +664‎ Created page with '{{natural number property}} ==Definition== A natural number <math>n</math> is termed a '''deficient number''' if <math>\sigma(n) < 2n</math>, where <math>\sigma</math> deno...'
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