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 815,529 page views. His biography is available in 25 different languages on Wikipedia. D. R. Kaprekar is the 541st most popular mathematician (up from 662nd in 2019), the 436th most popular biography from India (up from 509th in 2019) and the 9th most popular Indian Mathematician.

Memorability Metrics

  • 820k

    Page Views (PV)

  • 51.67

    Historical Popularity Index (HPI)

  • 25

    Languages Editions (L)

  • 3.60

    Effective Languages (L*)

  • 3.51

    Coefficient of Variation (CV)

Among MATHEMATICIANS

Among mathematicians, D. R. Kaprekar ranks 541 out of 1,004. Before him are Jakob Hermann, Sydney Chapman, Willem 's Gravesande, Ernst Leonard Lindelöf, Pál Turán, and Simon von Stampfer. After him are Luis Caffarelli, Auguste Kerckhoffs, Louis Nirenberg, Maria Angela Ardinghelli, Aleksandr Khinchin, and Pierre Fatou.

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Contemporaries

Among people born in 1905, D. R. Kaprekar ranks 185. Before him are Aris Velouchiotis, Aurelio González, Mildred Natwick, Conduelo Píriz, Tommy Dorsey, and Lev Nussimbaum. After him are Ángel Melogno, Paul Grimault, Carlos Riolfo, Al Taliaferro, Mantovani, and Lillian Hellman. Among people deceased in 1986, D. R. Kaprekar ranks 129. Before him are Vasily Ignatenko, Gregory Jarvis, Mary Eristavi, Adolfo Baloncieri, Mika Antić, and Valerian Zorin. After him are Teddy Wilson, Moses Finley, W. Averell Harriman, Lili Kraus, Ilmari Salminen, and Keenan Wynn.

Others Born in 1905

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Others Deceased in 1986

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In India

Among people born in India, D. R. Kaprekar ranks 436 out of 1,861. Before him are Jacques Lauriston (1768), Ram Manohar Lohia (1910), Sukhdev Thapar (1907), Mahbub ul Haq (1934), B. V. Doshi (1927), and Phoolan Devi (1963). After him are Jayant Narlikar (1938), Subhadra Kumari Chauhan (1904), Bibhutibhushan Bandyopadhyay (1894), Jagjit Singh (1941), Abhijit Banerjee (1961), and Bhimsen Joshi (1922).

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Among MATHEMATICIANS In India

Among mathematicians born in India, D. R. Kaprekar ranks 9. Before him are Bhāskara II (1114), Augustus De Morgan (1806), S. R. Ranganathan (1892), Madhava of Sangamagrama (1350), Bhāskara I (600), and Jai Singh II (1688). After him are Nilakantha Somayaji (1444), Harish-Chandra (1923), Kātyāyana (-200), Sulochana Gadgil (1944), S. R. Srinivasa Varadhan (1940), and Radhanath Sikdar (1813).

Indian born Mathematicians

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