Dattathreya Ramachandra Kaprekar
Dattathreya Ramachandra Kaprekar (born January 17, 1905 in Dahanu near Bombay , † 1986 in Devlali, Maharashtra , India ) was an Indian mathematician who discovered the Kaprekar numbers and Kaprekar constants named after him, as well as other results in the field of number theory .
Life
Kaprekar was born in Dahanu, a village near Bombay, to an official who loved astrology . He graduated from secondary school in Thane and college in Pune . After obtaining a Bachelor of Arts from the University of Mumbai in 1929, he did not continue his studies and worked as a school teacher in Nashik in Maharashtra throughout his professional life from 1930 to 1962 . He published numerous articles on magic squares and whole numbers with special properties.
Kaprekar mostly worked for himself, and his ideas were not taken seriously by mathematicians in India at the beginning. However, he gained international fame when Martin Gardner published an article about him in Scientific American in 1975 . In addition to the Kaprekar numbers and Kaprekar constants that he discovered and named after him, he also described the so-called Devlali numbers and the Harshad numbers .
Web links
- Short biography , published in the MacTutor History of Mathematics archive
- "Mysterious number 6174"
| personal data | |
|---|---|
| SURNAME | Kaprekar, Dattathreya Ramachandra |
| BRIEF DESCRIPTION | Indian mathematician |
| DATE OF BIRTH | January 17, 1905 |
| PLACE OF BIRTH | Dahanu near Bombay |
| DATE OF DEATH | 1986 |
| Place of death | Devlali, Maharashtra , India |