Sites related to the Catalan Conjecture, that 8 and 9 are the only consecutive powers.
Sites 5
- MathWorld: Catalan's Conjecture Features an explanation of the equation and offers bibliographic references.
- Catalan's Problem Entry in the Prime Glossary with description, brief history and references.
- Wikipedia: Catalan's Conjecture Brief article offers a description of the problem and features links.
- MathWorld News: Draft Proof of Catalan's Conjecture Circulated News brief announcing the break through that provides a history and description of the equation.
- Differences Between Powers Article describes how certain special cases of the Catalan conjecture can be proven by very simple arguments.