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Number (translated from Portuguese) Number Number it is an object of Matemática used to describe measured amount or. The number concept probably was one of the first ... rational numbers, in turn, they include whole number fractions. números Reals is all rational numbers ... more números irrationals . Definitions The concept of number in its simpler form is clearly ... http://pt.wikipedia.org/wiki/Número - 6k - Cached (Portuguese) - Wikipedia (Portuguese) - Similar pages | ||||
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Perfect number (translated from Chinese) Perfect number Perfect number(Perfect number, also □Perfect □) Is some special natural number : It all realFactor(Namely besides own divisor ... itself exactly. For example:The first perfect number is 6, it has divisor 1, ... http://zh.wikipedia.org/wiki/完全数 - 8k - Cached (Chinese) - Wikipedia (Chinese) - Similar pages | ||||
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Perfect number Perfect number In mathematics, a perfect number is defined as an integer which is ... itself. Six (6) is the first perfect number, because 1, 2 and 3 are its ... 1 + 2 + 3 = 6. The next perfect number is 28 = 1 + 2 + 4 + 7 + 14. The next perfect numbers are 496 and 8128 (sequence A000396 in OEIS). ... http://en.wikipedia.org/wiki/Perfect_number - 12k - Cached - Similar pages | ||||
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Natural number (translated from Japanese) Natural number Natural number(It does and the ぜ it is inhales,Natural number) With, the quantity of the thing, or ... as for this it is limited accuratelyThe number of orders) With the concept which is ... the one group, there is also natural number. 0, 1, 2, 3... With to ... http://ja.wikipedia.org/wiki/自然数 - 24k - Cached (Japanese) - Wikipedia (Japanese) - Similar pages | ||||
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Perfect number (translated from German) Perfect number One natuerliche number becomes perfect number (also perfect number or ideal number) called, if it those Sum their ... http://de.wikipedia.org/wiki/Vollkommene_Zahl - 13k - Cached (German) - Wikipedia (German) - Similar pages | ||||
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31 (number) 31 (number) 31 (thirty-one) is the natural number following 30 and preceding 32. << 30 31 ... prime, 31 is related to the perfect number 496, since 496 = 2 5 - 1 ( 2 5 - 1). ... http://en.wikipedia.org/wiki/31_(number) - 4k - Cached - Similar pages | ||||
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Hyperperfect number Hyperperfect number In mathematics, a k-hyperperfect number (sometimes just called hyperperfect number) is a natural number n for which the equality n = 1 ... of all positive divisors of n). A number is perfect iff it is 1- ... http://en.wikipedia.org/wiki/Hyperperfect_number - 11k - Cached - Similar pages | ||||
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Hexagonal number Hexagonal number A hexagonal number is a figurate number, the number of points in the union of n ... sides, as shown in [1]. The hexagonal number for n is given by the ... http://en.wikipedia.org/wiki/Hexagonal_number - 2k - Cached - Similar pages | ||||
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400 (number) 400 (number) Four hundred is the natural number following three hundred ninety-nine and preceding ... SI accepted units). 400 is a self number in base 10, since there is no ... base 10 digits, making it a Harshad number. Other fields Four hundred is also an ... Integers from 401 to 499 401 prime number, tetranacci number, sum of seven consecutive ... http://en.wikipedia.org/wiki/400_(number) - 21k - Cached - Similar pages | ||||
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