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Digital Root

Tool to calculate the digital root of a number. The digital root is computed using recursive reduction that consists in performing the sum of all digits in a number and repeat this operation on the result.

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Digital Root -

Tag(s) : Number Games, Mathematics

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Digital Root

Digital Root Calculator









Tool to calculate the digital root of a number. The digital root is computed using recursive reduction that consists in performing the sum of all digits in a number and repeat this operation on the result.

Answers to Questions

How to calculate a digital root?

Digital root calculation uses recursive reduction that consists in repeating the operation of summing/adding digits until the result has only one digit.

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

This principle is often used in numerology to get a number from the numeric information on an individual (from a date of birth, favorite number, etc.)

Example: 25/12/2000 => 2 + 5 + 1 + 2 + 2 + 0 + 0 + 0 = 12 => 1 + 2 = 3

How to calculate a digital root for a name?

It is possible to assign a value to a name using the position of letters in the alphabet (see A1Z26 code where A = 1, B = 2, ... Z = 26) then make the desired additions and analyze the total.

Example: DCODE = 4,3,15,4,5 and 4+3+15+4+5 = 31 => 3+1 = 4
(variant) DCODE = 4,3,15,4,5 and 4+3+1+5+4+5 = 22 => 2+2 = 4

Source code

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Source : https://www.dcode.fr/recursive-reduction
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