The digital root of a positive integer is found by summing the digits of the integer.
The digital root of a positive integer is found by summing the digits of the integer.
正整数的数根可以用此整数各位数数字的和来求.
The digital root of a positive integer is found by summing the digits of the integer.
正整数的数根可以用此整数各位数数字的和来求.