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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/ Newdream.net  ~   Site Info   Whois   Trace Route   RBL Check   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 Tripod.com  ~   Site Info   Whois   Trace Route   RBL Check   Triangular Numbers Properties of triangular numbers including reversible, happy, harshad, highly composite, deficient, abundant ones. http://www.shyamsundergupta.com/triangle.htm Shyamsundergupta.com  ~   Site Info   Whois   Trace Route   RBL Check   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 Mathpages.com  ~   Site Info   Whois   Trace Route   RBL Check   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 Jewishencyclopedia.com  ~   Site Info   Whois   Trace Route   RBL Check   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 Mathforum.org  ~   Site Info   Whois   Trace Route   RBL Check   World of Numbers Includes a collection of randomly gathered numbers, curios, puzzles, palindromes and primes. http://www.worldofnumbers.com/ Worldofnumbers.com  ~   Site Info   Whois   Trace Route   RBL Check   Wikipedia - Mathematical constant A list of constants with links to more detailed information. http://en.wikipedia.org/wiki/Mathematical_constant Wikipedia.org  ~   Site Info   Whois   Trace Route   RBL Check   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 Demon.co.uk  ~   Site Info   Whois   Trace Route   RBL Check   37 Heaven Collects information around the number thirty-seven. http://magliery.com/37/ Magliery.com  ~   Site Info   Whois   Trace Route   RBL Check