# Mathematician:Bernard Frénicle de Bessy

## Mathematician

French mathematician who wrote numerous mathematical papers, mainly in number theory and combinatorics.

Described all $880$ essentially different normal magic squares of order $4$.

Invented the Frénicle standard form, a standard representation of magic squares

Solved many problems created by Pierre de Fermat.

Discovered the cube property of the number $1729$ (Ramanujan number), later referred to as a taxicab number.

A member of the informal Académie Parisienne.

French

## History

• Born: c. 1604 in Paris, France
• Died: 1674 in Paris, France

## Publications

• 1693: Des quarrez ou tables magiques, a treatise on magic squares
• 1693: La Méthode des exclusions

## Also known as

Generally known as Frénicle.

Some sources report his name without the accent: Frenicle.