Question

what is an Armstrong number

Answer 1

An Armstrong number is a number such that the sum ! of its digits raised to the third power is equal to the number ! itself. For example, 371 is an Armstrong number, since !

Answer 2

Armstrong number is one in which the sum of cubes of its digits is equal to the number itself.

Example: 153 is an armstrong number because

                1³+5³+3³=153  that is equal to the number itself.

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