Directory: Top/Science/Math/Recreations/Specific

Top / Science / Math / Recreations / Specific_Numbers /

Fun With Numbers
Includes some lists of numerals, relating to basic operations performed on certain constants. Not updated since 1995.
http://www.newdream.net/~sage/old/numbers/
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Stewy's Site
The infinitesimal is the opposite of infinity, and mathematicians still argue over its existence. This page probes into one of the weirdest numbers in mathematics.
http://stewy6.tripod.com/infinitesimal.htm
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Triangular Numbers
Properties of triangular numbers including reversible, happy, harshad, highly composite, deficient, abundant ones.
http://www.shyamsundergupta.com/triangle.htm
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The Golden Pentagon
MathPages depiction of tiling a plane using a progression of equilateral triangles dividing a pentagon. Most interesting is that this pentagon is uniquely and recursively divided by triangles, just as is seen in the more common recursive division of the
http://mathpages.com/home/kmath153.htm
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Jewish Encyclopedia: Numbers and Numerals
Discusses the uses and symbolism of various numbers in Hebrew literature.
http://www.jewishencyclopedia.com/view.jsp?artid=366&letter=N
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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.
http://mathforum.org/library/drmath/view/57575.html
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World of Numbers
Includes a collection of randomly gathered numbers, curios, puzzles, palindromes and primes.
http://www.worldofnumbers.com/
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Wikipedia - Mathematical constant
A list of constants with links to more detailed information.
http://en.wikipedia.org/wiki/Mathematical_constant
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Friedmann's S-Numbers
These are numbers where an expression can be given using the operations of addition and squaring, using the digits of a number in order, which gives the original number. Algorithms, theorems and results.
http://www.meden.demon.co.uk/Mathematics/S-Numbers/S-Numbers.html
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37 Heaven
Collects information around the number thirty-seven.
http://magliery.com/37/
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