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Tool to find the sum of all digits of a number. The sum of all digits in a number is ofent used in numerology and sometimes in maths problems.

Answers to Questions

How to calculate the sum of digits in a number?

dCode performs an easy but fast addition

123 => 1+2+3 = 6

How to calculate a recursive reduction?

Recursive reduction consists in repeating the addition operation until the result has only one digit.

789 => 7+8+9 = 24 => 2+4 = 6

What is the difference between a number and a digit?

A number is made of digits, like a word is made of letters.

There are only 10 digits: 0,1,2,3,4,5,6,7,8,9

There is an infinity of numbers

Numbers can have only one digit such as 1, 2 ou 3 (they are both numbers and digits)

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Source code

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