Question: what is the difference between real numbers and natural numbers?
Answer: ): The counting numbers {1, 2, 3, ...} are commonly called natural numbers; however, other definitions include 0, so that the non-negative integers {0, 1, 2, 3, ...} are also called natural numbers. Natural numbers including 0 are also called whole numbers. ... All rational numbers are real, but the converse is not true.