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0 - Zero (3)
e (9)
Fibonacci Numbers (21)
Infinity (6)

Integers (15)
Perfect Numbers (14)
phi (24)

Pi (78)
Prime Numbers (81)
Pseudorandom Numbers (24)

Web Pages

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37 Heaven - http://magliery.com/37/
Collects information around the number thirty-seven.

Absolutely Abnormal Numbers - http://arxiv.org/abs/math.NT/0006089/
Published as math.NT/0006089, this note investigates numbers that are normal to no base whatsoever, and writes down explicitly such a number.

Arabic numerals - http://www-history.mcs.st-andrews.ac.uk/history/HistTopics/Arabic_numerals.html
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 - http://mathforum.org/library/drmath/view/57575.html
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.

Catalan Number -- MathWorld - http://mathworld.wolfram.com/CatalanNumber.html
Illustration of the Catalan numbers related to Euler's polygon division problem.

FAQ on Special Numbers - http://www.faqs.org/faqs/sci-math-faq/specialnumbers/
Answers to Frequently asked questions about special numbers.

Fibonacci Numbers and the Golden section in Nature - http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/fibnat.html
Puzzles and things to do, for schools, teachers, colleges up to university level students, or just for recreation.

Friedmann's S-Numbers - http://www.meden.demon.co.uk/Mathematics/S-Numbers/S-Numbers.html
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.

Indian numerals - http://www-history.mcs.st-andrews.ac.uk/history/HistTopics/Indian_numerals.html
Describes the history of the Indian numeral system.

Inverse Symbolic Calculator - http://oldweb.cecm.sfu.ca/projects/ISC/ISCmain.html
A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.

Jewish Encyclopedia: Numbers and Numerals - http://www.jewishencyclopedia.com/view.jsp?artid=366&letter=N
Discusses the uses and symbolism of various numbers in Hebrew literature.

Just Who is Mr. 666? - http://www.eingedi.org/666-2.html
Uses gematria to calculate the number of the beast, and evaluates what it may mean w/r specific Hebrew words and names in the Bible adding up to 666.

Mathemagic - http://www.mathsisfun.net/magic.htm
Many minor miracles for magically-minded mathematicians!

Mathematical Constants - http://algo.inria.fr/bsolve/constant/apery/apery.html
Stephen Finch has published a book of this title and here provides various supplementary materials.

Mathematical Constants and Computation - http://numbers.computation.free.fr/Constants/constants.html
Essays, references, links, software.

Number Gossip - http://www.numbergossip.com/
Numerous special categories of numbers, searchable.

RJN's More Digits of Irrational Numbers - http://antwrp.gsfc.nasa.gov/htmltest/rjn_dig.html
Several million digits of e, and the square roots of 2, 3, 5, 6, 7, 8, and 10.

Square root of 2 - http://www.rossi.com/sqr2.htm
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.

Stewy's Site - http://stewy6.tripod.com/infinitesimal.htm
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.

Sum Beastliness - http://web.onetel.com/~amygdala/articles/scimaths/666.html
Some simple mathematics associated with 666, the Number of the Beast.

Triangular Numbers - http://www.shyamsundergupta.com/triangle.htm
Properties of triangular numbers including reversible, happy, harshad, highly composite, deficient, abundant ones.

Vampire Numbers - http://users.cybercity.dk/~dsl522332/math/vampires/
Numbers with a factorization containing the same digits, e.g. 1530 = 30*51.

Verbose.net - http://www.verbose.net/
Dedicated to the natural order of the universe and to the irrational and logical chaos it presents.

Wikipedia - Mathematical constant - http://en.wikipedia.org/wiki/Mathematical_constant
A list of constants with links to more detailed information.

World of Numbers - http://www.worldofnumbers.com/
Includes a collection of randomly gathered numbers, curios, puzzles, palindromes and primes.

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