Phrase guide
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noun
A positive integer which is divisible by the sum of all of its digits.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences
Synonyms: Niven number
Antonyms: none provided
History
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.
Across languages
2 source translations are retained for this English entry.
