# Magic Number in Java

Magic Number is a number whose sum of the digits when recursively added to the point that a single digit is obtained, comes out to be 1. For example, consider the number 1882. Sum of the digits in the first iteration for 1882: 1 + 8 + 8 + 2 = 19. Sum of the digits in second iteration for 19: 1 + 9 = 10. We have still not obtained a single digit sum. Let’s sum the digits again.

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