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MATHEMATICIAN

D. R. Kaprekar

1905 - 1986

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Dattatreya Ramchandra Kaprekar (Marathi: दत्तात्रेय रामचंद्र कापरेकर; 17 January 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 748,270 page views. His biography is available in 25 different languages on Wikipedia (up from 20 in 2019). D. R. Kaprekar is the 665th most popular mathematician (up from 730th in 2019), the 513th most popular biography from India (up from 569th in 2019) and the 11th most popular Indian Mathematician.

Memorability Metrics

  • 750k

    Page Views (PV)

  • 47.25

    Historical Popularity Index (HPI)

  • 25

    Languages Editions (L)

  • 2.56

    Effective Languages (L*)

  • 3.68

    Coefficient of Variation (CV)

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Among MATHEMATICIANS

Among mathematicians, D. R. Kaprekar ranks 665 out of 823. Before him are Bernt Michael Holmboe, Nikoloz Muskhelishvili, Fritz Noether, Ion Barbu, Leonard Eugene Dickson, and Walter Rudin. After him are Mikhail Lavrentyev, Sofya Yanovskaya, Max Newman, Spiru Haret, Giuseppe Vitali, and Lady Byron.

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Contemporaries

Among people born in 1905, D. R. Kaprekar ranks 228. Before him are Vera Panova, Araken Patusca, Zakaria Goneim, Vladimír Holan, Jenő Rejtő, and Walther Müller. After him are Augusto Hamann Rademaker Grünewald, Kunio Maekawa, Lev Schnirelmann, Albert Dekker, Gilbert Roland, and Hadiya Davletshina. Among people deceased in 1986, D. R. Kaprekar ranks 176. Before him are André Tassin, Panagiotis Kanellopoulos, Jaroslav Burgr, Ronald McNair, Thad Jones, and Ludwig Biermann. After him are Neerja Bhanot, Lothar Bolz, Kunio Maekawa, Hyman G. Rickover, Floyd Gottfredson, and Dominique Mbonyumutwa.

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Others Deceased in 1986

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In India

Among people born in India, D. R. Kaprekar ranks 513 out of 1,493. Before him are Sulochana Gadgil (1944), Amrit Kaur (1889), P. T. Usha (1964), Fauja Singh (1911), Har Dayal (1884), and Sivaji Ganesan (1928). After him are Jayakanthan (1934), Neerja Bhanot (1963), Mayawati (1956), Kedarnath Singh (1934), Jamini Roy (1887), and Gangubai Hangal (1913).

Others born in India

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Among MATHEMATICIANS In India

Among mathematicians born in India, D. R. Kaprekar ranks 11. Before him are S. R. Ranganathan (1892), Madhava of Sangamagrama (1350), Bhāskara I (600), Jai Singh II (1688), Nilakantha Somayaji (1444), and Sulochana Gadgil (1944). After him are S. R. Srinivasa Varadhan (1940), Harish-Chandra (1923), Radhanath Sikdar (1813), J. H. C. Whitehead (1904), Bhama Srinivasan (1935), and Akshay Venkatesh (1981).

Indian born Mathematicians

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