Mathematician:Bernard Frénicle de Bessy

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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.




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

Theorems and Definitions


  • 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.