noun a number that is equal to the sum of its proper divisors, excluding itself
adjective describing the quality of being exact or without fault
In mathematics, a perfect number is a positive integer that is equal to the sum of its proper divisors, excluding itself.
Perfect numbers are used in computer science for algorithm development and testing due to their unique properties.
Perfect numbers are closely studied in number theory for their properties and relationships with other types of numbers.
Perfect numbers have been used in cryptology for encryption and decryption algorithms due to their mathematical properties.
Perfect numbers are often used as examples in math education to teach concepts of divisibility and number properties.
In mathematics, a perfect number is a positive integer that is equal to the sum of its proper divisors, excluding itself. Perfect numbers have been studied extensively in number theory.
In computer science, perfect numbers are used in algorithms and number theory calculations. They can be used as test cases for various mathematical functions and algorithms.
In physics, perfect numbers can be used in certain calculations and simulations, especially in areas where number theory plays a role.
In economics, perfect numbers may be used in some theoretical models and calculations, though they are not a central concept in the field.