Strong Number
A number is called strong number if sum of the factorial of its digit is equal to number itself.
For example: 145 as 1! + 4! + 5! = 1 + 24 + 120 = 145
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Strong Number
A number is called strong number if sum of the factorial of its digit is equal to number itself.
For example: 145 as 1! + 4! + 5! = 1 + 24 + 120 = 145