What is 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 (mathematics)|base]]. A harshad number in base n is called an '''n-harshad number'''. {{Divisor classes}} {{Classes of natural numbers}} [[Category:Integer sequences]] {{math-stub}}