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Pi Squared over Six
Dedicated to the transcendental number pi squared over six.
Factoring Fermat Numbers
A contest to find new factors of Fermat numbers. Offers cash prizes for new factors Fn, for n = 12 through 22.
Fibonacci Numbers and the Golden section in Nature
Puzzles and things to do, for schools, teachers, colleges up to university level students, or just for recreation.
Apéry's Constant
Describes the definition of the constant and some interpretations as well as a list of references to further work about the constant.
Ask Dr. Math: History of the Terms Google and Googleplex
Explains how these very large numbers (1 followed by a hundred zeroes, and 1 followed by a google of zeroes, respectively) were named. With links to references. From Swarthmore's Dr. Math.
Brun's Constant
Description of the constant, some related work and links to some further reading.
Catalan Number -- MathWorld
Illustration of the Catalan numbers related to Euler's polygon division problem.
Harry J. Smith's Fun With Mathematics
Fun math stuff, including computing pi, perfect numbers, Fibonacci numbers, the tesseract, a look into 4-dimensional space.
Notable Properties of Specific Numbers
A list of numbers with interesting properties.
Inverse Symbolic Calculator
A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.
More Specific Numbers Sites
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