Manuals/calci/PERFECTNUMBERS - Revision history

Devika: /* Examples */

2020-02-11T08:14:50Z

Examples

2020-02-11T08:13:58Z

DEFICIENTNUMBERS

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DEFICIENTNUMBERS

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DEFICIENTNUMBERS

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DEFICIENTNUMBERS

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DEFICIENTNUMBERS

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Description

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Examples

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 #PERFECTNUMBERS(900,54) = 6 28 496
 #PERFECTNUMBERS(-567,0) = NaN
 ==Related Videos==

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 ==DEFICIENTNUMBERS==
 *Deficient number is a number <math>n</math> for which the sum of divisors <math>\sigma(n)<2n</math>, or, equivalently, the sum of proper divisors (or aliquot sum) <math>s(n)<n</math>. The value <math>2n</math> − <math>\sigma(n)</math> (or <math>n</math> − <math>s(n)</math>) is called the number's deficiency.
 ==Examples==

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 ==DEFICIENTNUMBERS==
-*Deficient number is a number <math>n</math> for which the sum of divisors <math>\sigma(n)<2n</math>, or, equivalently, the sum of proper divisors (or aliquot sum) <math>s(n)<n</math>. The value <math>2n</math> − <math>\sigma(n)</math> (or <math>n − s(n)</math>) is called the number's deficiency.
+*Deficient number is a number <math>n</math> for which the sum of divisors <math>\sigma(n)<2n</math>, or, equivalently, the sum of proper divisors (or aliquot sum) <math>s(n)<n</math>. The value <math>2n</math> − <math>\sigma(n)</math> (or <math>n</math> − <math>s(n)</math>) is called the number's deficiency.
 ==Examples==

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 ==DEFICIENTNUMBERS==
-*Deficient number is a number <math>n</math> for which the sum of divisors <math>\sigma(n)<2n</math>, or, equivalently, the sum of proper divisors (or aliquot sum) <math>s(n)<n</math>. The value <math>2n − \sigma(n)</math> (or <math>n − s(n)</math>) is called the number's deficiency.
+*Deficient number is a number <math>n</math> for which the sum of divisors <math>\sigma(n)<2n</math>, or, equivalently, the sum of proper divisors (or aliquot sum) <math>s(n)<n</math>. The value <math>2n</math> − <math>\sigma(n)</math> (or <math>n − s(n)</math>) is called the number's deficiency.
 ==Examples==

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 ==DEFICIENTNUMBERS==
-*Deficient number is a number <math>n</math> for which the sum of divisors <math>\sigma(n)<2n</math>, or, equivalently, the sum of proper divisors (or aliquot sum) <math>s(n)<n</math>. The value <math>2n − sigma(n)</math> (or <math>n − s(n)</math>) is called the number's deficiency.
+*Deficient number is a number <math>n</math> for which the sum of divisors <math>\sigma(n)<2n</math>, or, equivalently, the sum of proper divisors (or aliquot sum) <math>s(n)<n</math>. The value <math>2n − \sigma(n)</math> (or <math>n − s(n)</math>) is called the number's deficiency.
 ==Examples==

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 *Perfect number is  a positive integer which is equal to the sum of its proper divisors.
 *The smallest perfect number is 6, which is the sum of 1, 2, and 3.
 ==Examples==

← Older revision		Revision as of 06:40, 13 March 2017
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← Older revision		Revision as of 11:28, 9 March 2017
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	==References==		==References==
	[[https://www.britannica.com/topic/perfect-number Perfect number]]		[[https://www.britannica.com/topic/perfect-number Perfect number]]
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		+	[[Z_API_Functions \| List of Main Z Functions]]
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