See also:
Sites:
- 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.
- 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.
- Catalan Number -- MathWorld
- Illustration of the Catalan numbers related to Euler's polygon division problem.
- FAQ on Special Numbers
- Answers to Frequently asked questions about special numbers.
- Fibonacci Numbers and the Golden section in Nature
- Puzzles and things to do, for schools, teachers, colleges up to university level students, or just for recreation.
- 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.
- 37 Heaven
- Collects information around the number thirty-seven.
- 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.
- Jewish Encyclopedia: Numbers and Numerals
- Discusses the uses and symbolism of various numbers in Hebrew literature.
- Just Who is Mr. 666?
- 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
- Many minor miracles for magically-minded mathematicians!
- Mathematical Constants
- Stephen Finch has published a book of this title and here provides various supplementary materials.
- Mathematical Constants and Computation
- Essays, references, links, software.
- Number Gossip
- Numerous special categories of numbers, searchable.
- 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.
- 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.
- 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.
- Sum Beastliness
- Some simple mathematics associated with 666, the Number of the Beast.
- Triangular Numbers
- Properties of triangular numbers including reversible, happy, harshad, highly composite, deficient, abundant ones.
- Vampire Numbers
- Numbers with a factorization containing the same digits, e.g. 1530 = 30*51.
- Verbose.net
- Dedicated to the natural order of the universe and to the irrational and logical chaos it presents.
- Wikipedia - Mathematical constant
- A list of constants with links to more detailed information.
- World of Numbers
- Includes a collection of randomly gathered numbers, curios, puzzles, palindromes and primes.
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Last update: 11:04 PT, Sunday, November 1, 2009
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