English Explanatory Dictionary

Harshad number

English dictionary entry

Meanings

noun
  1. A positive integer which is divisible by the sum of all of its digits.

Word forms

Harshad number Harshad numbers

Etymology

Coined by Indian recreational mathematician D. R. Kaprekar, from Sanskrit हर्षद (harṣada, “giving joy”). The capitalization is likely based on mathematicians' incorrect assumption that harshad is a proper noun.

Synonyms

Niven number
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