Index to articles in Eric Weisstein's MathWorld in the area of number theory.

Lecture notes and resources on combinatorial number theory by Terence Tao.

Email seminar on "Galoissche Theorie der p-Erweiterungen" by Helmut Koch.

Given an integer sequence, find its name, and formula.

A forum for all mathematicians who work in valuation theory or apply valuation theoretical results in their own field of research.

Aims to collect donations from supporters of number theory and to disburse these donations to encourage research.

Kevin Brown's collection of sci.math postings related to number theory topics.

That the Mahler measure of an algebraic number is bounded away from 1. Pages by Michael Mossinghoff, UCLA.

Classified by degree, then by level, then by eigenvalue, then by root number.

Examples and algorithms for computing Klein polyhedra, also known as Arnold sails or veils (voiles), by Keith Briggs.