MATHEMATICIAN

D. R. Kaprekar

1905 - 1986

Photo of D. R. Kaprekar

Icon of person D. R. Kaprekar

Dattatreya Ramchandra Kaprekar (1905–1986) was an Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, harshad and self numbers and discovered the Kaprekar's constant, named after him. Read more on Wikipedia

Since 2007, the English Wikipedia page of D. R. Kaprekar has received more than 531,291 page views. His biography is available in 20 different languages on Wikipedia (up from 19 in 2019). D. R. Kaprekar is the 732nd most popular mathematician (down from 709th in 2019), the 569th most popular biography from India (down from 500th in 2019) and the 10th most popular Indian Mathematician.

Memorability Metrics

  • 530k

    Page Views (PV)

  • 56.66

    Historical Popularity Index (HPI)

  • 20

    Languages Editions (L)

  • 2.15

    Effective Languages (L*)

  • 3.69

    Coefficient of Variation (CV)

Page views of D. R. Kaprekars by language


Among MATHEMATICIANS

Among mathematicians, D. R. Kaprekar ranks 732 out of 828Before him are Yitang Zhang, Rudy Rucker, Simon Donaldson, Maxim Kontsevich, Ngô Bảo Châu, and Carl Gustav Axel Harnack. After him are Jørgen Pedersen Gram, Alberto Calderón, Douglas McIlroy, Horace Lamb, Roger Apéry, and George Peacock.

Most Popular Mathematicians in Wikipedia

Go to all Rankings

Contemporaries

Among people born in 1905, D. R. Kaprekar ranks 283Before him are Anthony Powell, Robert Newton, Leroy Carr, Juan Hilario Marrero, Kay Francis, and Jack Teagarden. After him are Isaac Kashdan, Chick Webb, Gerrit Achterberg, Andy Devine, Fred Alderman, and Georges Grignard. Among people deceased in 1986, D. R. Kaprekar ranks 204Before him are Sonny Terry, Noboru Terada, Richard Manuel, Emil Jónsson, Bert Schneider, and Robert Alda. After him are Jackson Scholz, Adolf Brudes, Heather Angel, Una Merkel, Alan Jay Lerner, and Rukmini Devi Arundale.

Others Born in 1905

Go to all Rankings

Others Deceased in 1986

Go to all Rankings

In India

Among people born in India, D. R. Kaprekar ranks 569 out of 1,227Before him are Gauri Khan (1970), Monier Monier-Williams (1819), Erick Avari (1952), Dawood Ibrahim (1955), Sam Manekshaw (1914), and Rahul Gandhi (1970). After him are Ravi Shankar (1956), Homi K. Bhabha (1949), Persis Khambatta (1948), Raja Ramanna (1925), Vijay Amritraj (1953), and Juhi Chawla (1967).

Among MATHEMATICIANS In India

Among mathematicians born in India, D. R. Kaprekar ranks 10Before him are Augustus De Morgan (1806), S. R. Ranganathan (1892), Madhava of Sangamagrama (1350), Jai Singh II (1688), Bhāskara I (600), and Nilakantha Somayaji (1444). After him are S. R. Srinivasa Varadhan (1940), J. H. C. Whitehead (1904), Harish-Chandra (1923), and Akshay Venkatesh (1981).