What are integers, rational numbers, irrational numbers, real numbers and natural numbers?

Natural number 0, 1, 2, 3, 4 ................ integer 0, 1, 2, 3, ... Real numbers: rational numbers and irrational numbers are collectively called real numbers. Rational Numbers: Integers and fractions are collectively called rational numbers. Irrational number: infinite cyclic decimal. Such as √2, √3, √5, π, 0. 10 1000 1 ..., natural number: a number generated by a number, also called a positive integer. - 1; 2; 3; 0 is a very special number and cannot be counted as a natural number. Integer: positive integer; Zero; The whole of negative integers. Rational number: the quotient of an integer divided by a non-zero integer. It can also be said to be the whole of finite decimal and infinite acyclic decimal. It can also be said that it is a whole score. Irrational number: infinite cyclic decimal. Real number: the whole of rational number and irrational number. It can also be said to be a collection of decimals. (including all infinite decimals and infinite acyclic decimals)