Print the numbers which satisfy the condition in Step 4.Compare sum of all such values with the given number.For each digit, find digit raised to the power of o where o is the order calculated in Step 2.Find the total order(number of digits) of the given number.In the range 1000 to 9999 there are three Armstrong numbers- 1634, 82. Similarly, in the case of 4 digits, 1634 is an Armstrong Number as, In the range 0 to 999 there exists six Armstrong numbers- 0, 1, 153, 370, 371 and 407. For example, 153 is an Armstrong number because In the case of an Armstrong number of 3 digits, the sum of cubes of each digit is equal to the number itself. In other words,a positive integer is called Armstrong Number of order n if and only ifĪbcd. To find all the Armstrong Numbers in a given range, first we need to know what Armstrong Number is.Īrmstrong Number, also known as Narcissistic Number or a Plus Perfect Number of a given number base is a number that is the sum of its own digits each raised to the power of the number of digits. The approach is to check for each number in the range if it is an armstrong number or not. In this article, we will develop an approach to find all armstrong numbers in a given range. Reading time: 15 minutes | Coding Time: 5 minutes
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