Numbers: Abundant, Deficient, Perfect, and Amicable
What are "abundant" numbers? Why would such numbers be called plentiful? "Abundant" is a strange way to describe a numbe...
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Number
Numbers are central to science. They underlie what Galileo Galilei and Isaac Newton called the primary properties of things, the properties that can be measured (John Locke listed these as numb...
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Numbers: Abundant, Deficient, Perfect, and Amicable
Number