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Directory : Science : Math : Recreations : Specific Numbers :

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  • 222 Divine - Some interesting facts associated with 111, the second repunit, and its multiples (including 222 and 666).
  • 37 Heaven - 37-centric factoids from Tom Magliery.
  • 666 - A little archive of gleanings, theories and links relating to the most misunderstood number of all.
  • 73939133 - Shows what is special about the number.
  • About Big Numbers - Explores the world of big numbers, from thousand to googol. Identifies what objects in the universe, atoms to large scale structures, match these numbers.
  • Absolutely Abnormal Numbers - Published as math.NT/0006089, this note investigates numbers that are normal to no base whatsoever, and writes down explicitly such a number.
  • All Numbers Are Interesting - Attempts to determine a unique property of each integer.
  • ApĂ©ry's Constant - Describes the definition of the constant and some interpretations as well as a list of references to further work about the constant.
  • Arabic numerals - Describes the history of the arabic numeral system that is in use nearly all over the world today.
  • 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.
  • Count the Number of the Beast: 666 - 666, the number of the beast in the Book of Revelation prophecies in the Bible.
  • Curious properties of 153 - Number 153 can be found in the New Testament, where in the net Simon Peter drew from the Sea of Tiberias held 153 fishes. Interesting properties of number 153 are given here.
  • Digits - The Digits Project is dedicated to providing information on digits and their international translations. Lists the digits from 0 to 9 in many languages and provides further information about other important numbers.
  • Factoring Fermat Numbers - A contest to find new factors of Fermat numbers. Offers cash prizes for new factors Fn, for n = 12 through 22.
  • FAQ on Special Numbers - Answers to Frequently asked questions about special numbers.
  • Favorite Mathematical Constants - An in-depth explanation of the most important math constants.
  • Fibonacci Numbers and The Golden Ratio Link Web Page - A long list of links to pages about Fibonacci and his numbers, the golden ratio and applications in art and science.
  • Four - Description of the number four.
  • Fun With Numbers - Includes some lists of numerals, relating to basic operations performed on certain constants. Not updated since 1995).
  • Golden Ratio and Fibonacci Numbers - Provides information about the golden ratio and Fibonacci numbers, and how they relate to biology, art, and ancient Egyptian art.
  • 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.
  • Heilbronn Triangle Constants - Heilbronn Triangle Constants
  • Indian numerals - Describes the history of the indian numeral system.
  • Inverse Symbolic Calculator - A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.
  • Math Forum: 2001 Mathematics Game - A contest that asks to write all integers from 1 to 100 using only the digits 2,0,0,1 and arithmetic operations.
  • Math Forum: 2002 Mathematics Game - A contest where the contestants have to write all integers from 1 to 100 using only the digits 2,0,0,2 and arithmetic operations.
  • Mathemagic - In praise of the beauty of the numbers pi, e and phi.
  • Mathematical Constants and Computation - Essays, references, links, software.
  • Nine - Information about the number and the word nine.
  • Notable Properties of Specific Numbers - A list of numbers with interesting properties.
  • Number 2 - Information about the only even prime number.
  • Number Gossip - Numerous special categories of numbers, searchable.
  • Number of the Beast - A software program that converts names and phrases to "The Number of the Beast" (666).
  • Numbers, Constants and Computation - Mathematical, historical and algorithmic aspects of some classical mathematical constants.
  • One - A site dedicated to the number 1 and its significance on society
  • Pi Squared over Six - Dedicated to the transcendental number pi squared over six.
  • RJN's More Digits of Irrational Numbers - Several million digits of e, and the square roots of 2, 3, 5, 6, 7, 8, and 10.
  • Seven - Some information about the number 7 and links to other pages.
  • Seventeen and Yellow Pigs - Facts about the number 17 in history, computing, and astronomy.
  • Special Numbers - Hierarchy of numbers, constants, primes, pascal's triangle, real numbers, number base sSystems and fibonacci numbers explained.
  • Square root of 2 - Provides information about the square root of 2, lists the first 1000 digits and provides links to pages with up to 5 million digits. Also contains download links for programming libraries for calculating numbers with high precision or many digits.
  • The 27 Conspiracy - The ever-popular and still growing 27 Conspiracy is your link to the world's most mystical number!
  • The 47 Society - The 47 Society is an international interest-group that follows the occurence and recurrence of the quintessential random number: 47. Many suspect that the quintessential nature of 47 carries some mystical, metaphysical and/or scientific significance.
  • 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 Golden Rectangle.
  • The Infinitesimal - The infinitesimal is the opposite of infinity, and mathematicians still argue over its existence. This page probes into one of the wierdest numbers in mathematics.
  • The Joy of Six - Tries to tell everything anybody wanted to know about 6 (but were afraid to ask).
  • The Number of the Beast - Some numerical properties of the number 666 by Mike Keith.
  • The Sacred 37 - Lots of 37ology.
  • Triangular Numbers - Properties of triangular numbers including reversible, happy, harshad, highly composite, deficient, abundant ones.
  • Two - Some information about the number and links to other pages.
  • Verbose.net - Dedicated to the natural order of the universe and to the irrational and logical chaos it presents.
  • What's Special About This Number? - A long list with distinctive properties of natural numbers up to 9999.
  • Search our Wiki for Recreations Specific Numbers - Find more information about this subject by clicking here

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Last update : 2003-07-02 19:28:19

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