Mathematician:Dattathreya Ramchandra Kaprekar

Mathematician

Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, Harshad and Self numbers and discovered the Kaprekar constant, named after him.

Nationality

Indian

History

• Born: 17 January 1905 in Dahanu, Maharashtra
• Died: 1986 in Devlali, Maharashtra

Theorems and Definitions

• Kaprekar Number
• Kaprekar Triples
• Kaprekar Mapping
• Kaprekar's Process
• Kaprekar's Constant
• Kaprekar's Symmetry

Results named for Dattathreya Ramchandra Kaprekar can be found here.

Definitions of concepts named for Dattathreya Ramchandra Kaprekar can be found here.

Publications

• 1949: Another Solitaire Game (Scripta Math. Vol. 15: pp. 244 – 245)

• 1955: An Interesting Property of the Number $6174$ (Scripta Math. Vol. 21: p. 304)

Also known as

Different transliterations of his name can be found, for example:

Dattaraya or Dattatreya

Ramachandra

Sources

• John J. O'Connor and Edmund F. Robertson: "Dattathreya Ramchandra Kaprekar": MacTutor History of Mathematics archive