# Happy Number – Process ending in 1

Happy number is a number which starts with positive integer and when replaced with sum of squares of that digit and when this process is repeated it ends in 1. Use this online calculator to find happy and sad numbers.

Know more..

Know more..

## Happy Number Calculations

Positive Integer =

Result =

######
**Example:**

Let us Consider,

Positive Integer = 103

Sum of Digits of 103 = 1² + 0² + 3² = 1 + 0 + 9 = 10

10 = 1² + 0² = 1 + 0 = 1

Solution, 103 is a happy number

*Happy Number* belongs to Recreational Mathematics

*Happy Number*