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D. R. Kaprekar

Indian mathematician (1905–1986)

  • Fame55.6
  • Momentum15.0
  • Wikipedia5.4K
Source-basedBreakout
Lived 1905–1986, aged 81India
IndiaIndiaAcademicsAcademic
  • Wikipedia
    31 languages
    Cross-language footprint
  • Era
    1905–1986
    Aged 81
Summary
Updated 2026-06-25

Dattatreya Ramchandra Kaprekar was an Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, Harshad and self numbers and discovered Kaprekar's constant, named after him. Despite having no formal postgraduate training and working as a schoolteacher, he published extensively and became well known in recreational mathematics circles.

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Fame
Rising
55.6
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum15.0
Historical20.5
Now attention95.4
Source confidence60.0
Completeness70.0
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