World Records for Numerical Palindromes (Popularity: )

The 196 Palindrome Quest and The Most Delayed Palindromic Number, by Jason Doucette.

Visible Structures in Number Theory (Popularity: )

By Peter Borwein and Loki Jörgenson. Recognising number patterns visually.

Number Theory (Popularity: )

Dave Rusin's guide to number theory.

Application of Digital Root (Popularity: )

A test for the terms of a sequence being expressed by a polynomial, by Roupam ...

The Arithmetic Properties of Binomial Coefficients (Popularity: )

Activated text by Andrew Granville.

Introduction to Bernoulli Numbers (Popularity: )

A web article with a brief history and account of their relationship with the Riemann ...

The Work of Robert Langlands (Popularity: )

Thesis, papers, manuscripts, letters and bibliography.

The Somos Sequence Site (Popularity: )

Web resources for information on Somos sequences and related topics such as elliptic divisibility sequences.

Fermat's Little Theorem (Popularity: )

With notes on Carmichael numbers and the life of R.D. Carmichael.

Three Years of Computing (Popularity: )

Palindrome Quest. Reporting computations on the 196 problem.

Square-free Gaps (Popularity: )

Algorithm and source code for the calculation of square-free numbers and gaps.

Number Theory Glossary (Popularity: )

Compiled by Robert Campbell.

Hakmem Continued Fractions (Popularity: )

Some notes from the MIT collection. Includes Gosper's algorithms for CF arithmetic.

Number Theory (Popularity: )

Proofs along with equation solvers and graphical views written in Java.

Vignettes on Automorphic and Modular forms, Representations, L-functions, and Number Theory (Popularity: )

By Paul Garrett.

Somos Polynomials (Popularity: )

Related to Somos sequences and elliptic theta functions.

Covers, Sumsets and Zero-sums (Popularity: )

A unified approach to covering systems, restricted sumsets and zero-sum problems by Zhi-Wei Sun.

Some Number-Theoretical Constants (Popularity: )

Products of rational functions of p over primes, computed by Gerhard Niklasch and Pieter Moree.

On-Line Encyclopedia of Integer Sequences (Popularity: )

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

The Valuation Theory Home Page (Popularity: )

A forum for all mathematicians who work in valuation theory or apply valuation theoretical results ...