Sum of Digit_Digital Root.java. Top. File metadata and controls. Code. ... Given n, take the sum of the digits of n. If that value has more than one digit, continue reducing in this way until a single ...

NOTE: In mathematics, the digit sum of a given integer is the sum of all its digits, (e.g.: the digit sum of 84001 is calculated as 8+4+0+0+1 = 13, the digit sum of 13 is 1+3 = 4). Write a function ...