What is Armstrong number.

A number is called an armstrong number is it’s sum of  nth power of individual digits is equal to that number. where n is the no. of digits in the number

example:-

153 

in this number there are 3 digits so n=3

=1*1*1+5*5*5+3*3*3

=153

since it is equal to the number so it is an armstrong number


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