The numbers 3, 4, and 5 are natural numbers that follow one another in a sequence. 3 is the first odd prime number, while 4 is the first composite number, and 5 is the second odd prime number. Each of these numbers has unique properties in mathematics, such as being used in various calculations and patterns. In everyday life, these numbers often appear in counting, grouping, and measurements. For example, 3 can represent a trio, 4 can signify a square shape with four corners, and 5 is commonly associated with a hand having five fingers. These numbers are fundamental in both math and daily activities.