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Abundant number - Wikipedia, the free encyclopedia
In mathematics, an abundant number or excessive number is a number n for which σ ( n ) > 2 n . Here σ ( n ) is the sum-of-divisors function: the sum of all positive divisors of n , i...
en.wikipedia.org/wiki/Abundant_number |
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Perfect number - Wikipedia, the free encyclopedia
In mathematics, a perfect number is defined as a positive integer which is the sum of its proper positive divisors, that is, the sum of the positive divisors excluding the number itself. Equivalentl...
en.wikipedia.org/wiki/Perfect_number |
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Armed with this information it does not take too long, even by hand, to find the next two perfect numbers: 33550336 and 8589869056. See the first page on Mersennes below for a list of all known perfect numbers.
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defi'cient num'ber ; Math. a positive number that is greater than the sum of all positive integers that are submultiples of it, as 10, which is greater than the sum of 1, Part of Family Education Network | Homework Help | Reference Site | K-8 Kids | Poptropica | Parenting Advice | Teacher Resources | Online Gradebook; ©...
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Add the teacher's and students' numbers. The highest total wins. Analyze first moves for the factor game - List the factors for numbers ; 1 - 36. Compare the sum of the proper factors to each number. Define abundant, deficient, and perfect numbers;
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Abundant numbers are part of a branch of mathematics, called number theory. ... Digital fractions: Use the digits 0-9 to make the fraction 1/3. Multiple Digits: Betty wrote a list of consecutive whole numbers starting with the number 1. If you know how many digits she used, can you determine the last number Betty wrote?
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