Harshad number
In mathematics, a harshad number (also known as a Niven number) is an integer that is divisible by the sum of its digits in a given base. A harshad number in base n is called an n-harshad number.
Divisibility-based sets of integers | ||
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| Overview |
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| Factorization forms |
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| Constrained divisor sums |
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| With many divisors |
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| Aliquot sequence-related |
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| Base-dependent |
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| Other sets | ||
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