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Happy Number Calculator

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.
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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