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Collects information around the number thirty-seven.

Published as math.NT/0006089, this note investigates numbers that are normal to no base whatsoever, and writes down explicitly such a number.

Describes the definition of the constant and some interpretations as well as a list of references to further work about the constant.

Describes the history of the arabic numeral system that is in use nearly all over the world today.

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.

Description of the constant, some related work and links to some further reading.

Describes the mathematics behind the constant.

Illustration of the Catalan numbers related to Euler's polygon division problem.

A website devoted to tracking the Ultimate Answer provided by the computer Deep Thought. Lists sightings of the number since early history.

Describes the mathematics behind this constant.

Answers to Frequently asked questions about special numbers.

An in-depth explanation of the most important math constants.

Describes the constants and their mathematical basis.

Puzzles and things to do, for schools, teachers, colleges up to university level students, or just for recreation.

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.

Includes some lists of numerals, relating to basic operations performed on certain constants. Not updated since 1995.

Heilbronn Triangle Constants

Describes the history of the indian numeral system.

A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.

Discusses the uses and symbolism of various numbers in Hebrew literature.

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.

In praise of the beauty of the numbers pi, e and phi.

Essays, references, links, software.

A list of numbers with interesting properties.

Numerous special categories of numbers, searchable.

Dedicated to the transcendental number pi squared over six.

Several million digits of e, and the square roots of 2, 3, 5, 6, 7, 8, and 10.

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 infinitesimal is the opposite of infinity, and mathematicians still argue over its existence. This page probes into one of the weirdest numbers in mathematics.

Some simple mathematics associated with 666, the Number of the Beast.

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.

Properties of triangular numbers including reversible, happy, harshad, highly composite, deficient, abundant ones.

Numbers with a factorization containing the same digits, e.g. 1530 = 30*51.

Dedicated to the natural order of the universe and to the irrational and logical chaos it presents.

A list of constants with links to more detailed information.

Contains a collection of randomly gathered numbers, curios, puzzles, palindromes and primes.