Unitary perfect number
Unitary perfect number A unitary perfect number is an integer which is ...
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Talk:Unitary perfect number
Talk:Unitary perfect number What is a "unitary divisor" of n ? An integer d that ...
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Perfect number
Perfect number In mathematics, a perfect number is defined as an integer which is ... excluding itself. Six (6) is the first perfect number, because 1, 2 and 3 ...
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Almost perfect number
Almost perfect number In mathematics, an almost perfect number (sometimes also called slightly defective number) is a natural number n such ...
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6 (number)
6 (number) 0 1 2 3 4 5 6 ... 1493; (Vav) 6 (six) is the natural number following 5 and preceding 7. The SI ... mathematics Six is the second smallest composite number, its proper divisors being 1, 2 and ... of these proper divisors, six is a perfect number. As a perfect number, 6 is ...
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90 (number)
90 (number) 90 (ninety) is the natural number preceded by 89 and followed by 91 ... Because 90 is the sum of its unitary divisors (excluding itself), it is a unitary perfect number. 90 is a pronic number. ...
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60 (number)
60 (number) 60 (sixty) is the natural number following 59 and preceding 61. << 60 61 ... Samekh) In mathematics Sixty is a composite number with divisors 1, 2, 3, 4, 5 ... 30, making it also a highly composite number. Because 60 is the sum of its unitary divisors (excluding itself), it is a ...
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10000 (number)
10000 (number) List of numbers - Integers 1000 10000 100000 ... Ten thousand (10,000) is the natural number following 9999 and preceding 10,001. In ... Orders of magnitude (numbers) In astronomy, asteroid Number: 10000 Myriostos , Provisional Designation: 1951 SY , Discovery ... 10,000 Immortals, so named because their number of 10,000 was immediately reestablished after ... classical Greek and English name for the number 10 4 = 10,000, or a ...
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Category:Number stubs
Category:Number stubs The following number articles are stubs. You can help Wikipedia ... the article is in fact about a number and not about a year or a decade. Pages in category "Number stubs" There are 142 pages in this section of this category. 1 1024 (number) 115 (number) 116 (number) 118 (number) ...
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List of recreational number theory topics
List of recreational number theory topics This is a list of recreational number theory topics (see number theory, recreational mathematics). Listing here is not pejorative: many famous topics in number theory have origins in challenging problems posed ... for their own sake. See list of number theory topics for pages dealing with ...
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