Problem 57795. MATLAB 101: Armstrong Number

Md. Ikrama Hossain

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Write a function name armstrong_check that checks whether the given input is an Armstrong Number or not. It returns logical True or False.
An Armstrong number is one whose sum of digits raised to the power of the number of digits equals the number itself. For example, 371 is an Armstrong number because 3^3 + 7^3 + 1^3 = 371.

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Last Solution submitted on Jun 03, 2026

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3 Comments

Ramon Villamangca on 17 Mar 2023

Hi Md,

The definition of Armstrong number is incorrect. Armstrong numbers are equal to sum of their own digits to the power of the number of digits (not power of three).

ChrisR on 17 Mar 2023

This problem is a more general version of Cody Problem 1407.

goc3 on 19 Apr 2023

The problem description has been edited slightly to correctly refer to the power number.

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