Tool to make number reduction. The recursive reduction of a number consists in performing the sum of all digits in a number and repeat this operation on the result.

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Tool to make number reduction. The recursive reduction of a number 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 number reduction?

Recursive reduction consists in repeating the operation of adding digits until the result has only one digit.

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, for example from a date of birth:

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