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Home / Science / Math / Recreations / Specific Numbers
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Web Sites
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- 222 Divine - Some interesting facts associated with 111, the second repunit, and its multiples (including 222 and 666).
www.geocities.com/aladgyma/articles/scimaths/divine.htm
- 37 Heaven - 37-centric factoids from Tom Magliery.
thirty-seven.org
- 666 - A little archive of gleanings, theories and links relating to the most misunderstood number of all.
www.wordworx.co.nz/666.html
- 73939133 - Shows what is special about the number.
www.maths.uts.edu.au/numericon/73939133.html
- 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.
pages.prodigy.net/jhonig/bignum
- 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.
arxiv.org/abs/math.NT/0006089
- All Numbers Are Interesting - Attempts to determine a unique property of each integer.
members.aol.com/s6sj7gt/interest.htm
- 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.
pauillac.inria.fr/algo/bsolve/constant/apery/apery.html
- Arabic numerals - Describes the history of the arabic numeral system that is in use nearly all over the world today.
www-history.mcs.st-andrews.ac.uk/history/HistTopics/Arabic_numerals.html
- 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.
mathforum.org/dr.math/problems/melanie.07.14.99.html
- Brun's Constant - Description of the constant, some related work and links to some further reading.
pauillac.inria.fr/algo/bsolve/constant/brun/brun.html
- Catalan Number -- MathWorld - Illustration of the Catalan numbers related to Euler's polygon division problem.
mathworld.wolfram.com/CatalanNumber.html
- 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.
www.scifaiku.com/tom/misc/digits
- Factoring Fermat Numbers - A contest to find new factors of Fermat numbers. Offers cash prizes for new factors Fn, for n = 12 through 22.
www.perfsci.com/prizes.html
- FAQ on Special Numbers - Answers to Frequently asked questions about special numbers.
www.faqs.org/faqs/sci-math-faq/specialnumbers
- Favorite Mathematical Constants - An in-depth explanation of the most important math constants.
pauillac.inria.fr/algo/bsolve/constant/constant.html
- 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.
pw1.netcom.com/~merrills/fibphi.html
- Fun With Numbers - Includes some lists of numerals, relating to basic operations performed on certain constants. Not updated since 1995).
www.newdream.net/~sage/old/numbers
- 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.
www.geocities.com/CapeCanaveral/Station/8228
- 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.
www.netcom.com/~hjsmith
- Heilbronn Triangle Constants - Heilbronn Triangle Constants
pauillac.inria.fr/algo/bsolve/constant/hlb/hlb.html
- Indian numerals - Describes the history of the indian numeral system.
www-history.mcs.st-andrews.ac.uk/history/HistTopics/Indian_numerals.html
- Inverse Symbolic Calculator - A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.
www.cecm.sfu.ca/projects/ISC
- 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.
mathforum.org/~judyann/2001
- 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.
mathforum.org/~judyann/2002
- Mathemagic - In praise of the beauty of the numbers pi, e and phi.
members.aol.com/loosetooth/math.html
- Mathematical Constants and Computation - Essays, references, links, software.
xavier.gourdon.free.fr/Constants/constants.html
- Nine - Information about the number and the word nine.
www.fortunecity.com/victorian/villiers/17/nine.html
- Notable Properties of Specific Numbers - A list of numbers with interesting properties.
home.earthlink.net/~mrob/pub/numbers.html
- Number 2 - Information about the only even prime number.
www.nottingham.ac.uk/education/number/Num2.htm
- Number Gossip - Numerous special categories of numbers, searchable.
www.tanyakhovanova.com/Numbers
- Numbers, Constants and Computation - Mathematical, historical and algorithmic aspects of some classical mathematical constants.
numbers.computation.free.fr/Constants/constants.html
- One - A site dedicated to the number 1 and its significance on society
www-personal.umich.edu/~danhorn/digits/one.html
- Pi Squared over Six - Dedicated to the transcendental number pi squared over six.
www.pisquaredoversix.force9.co.uk
- Plouffe's Inverter - Table of current records for the computation of constants
www.lacim.uqam.ca/pi/records.html
- 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.
antwrp.gsfc.nasa.gov/htmltest/rjn_dig.html
- Seven - Some information about the number 7 and links to other pages.
www.scifaiku.com/tom/misc/digits/seven.html
- Seventeen and Yellow Pigs - Facts about the number 17 in history, computing, astronomy, etc.
www.vinc17.org/yp17_eng.html
- Special Numbers - Hierarchy of numbers, constants, primes, pascal's triangle, real numbers, number base sSystems and fibonacci numbers explained.
mathreference.net/Special_Numbers/special_numbers.htm
- 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.
www.rossi.com/sqr2.htm
- The 27 Conspiracy - The ever-popular and still growing 27 Conspiracy is your link to the world's most mystical number!
www.lbstone.com/27
- 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.
www.47.net/47society
- The Joy of Six - Tries to tell everything anybody wanted to know about 6 (but were afraid to ask).
www.hypermetrics.com/misc/six.html
- The Number of the Beast - Some numerical properties of the number 666 by Mike Keith.
users.aol.com/s6sj7gt/mike666.htm
- The Sacred 37 - Lots of 37ology.
hellstunas.org/37.html
- Two - Some information about the number and links to other pages.
www.scifaiku.com/tom/misc/digits/two.html
- Verbose.net - Dedicated to the natural order of the universe and to the irrational and logical chaos it presents.
www.verbose.net
- What's Special About This Number? - A long list with distinctive properties of natural numbers up to 9999.
www.stetson.edu/~efriedma/numbers.html
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