What is armstrong number: Discover what is Armstrong

Discover what is Armstrong number in 2025 with clear definition, formula, examples & programs in Python, Java, and C++ explained. In this example, you will learn to check whether an integer entered by the user is an Armstrong number or not using while loop and if...else statement. Understand the concept of Armstrong numbers in Data Structures and Algorithms (DSA). Explore step-by-step explanations, examples, and efficient code implementations to solve Armstrong number problems. An Armstrong number , also known as a narcissistic number or plenary number , is a special type of number in mathematics. It's defined as an n-digit number that is equal to the sum of its own digits, each raised to the power of n.