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Calssify Numbers

A number which can be written in the form a + bi where a and b are real numbers and i is the square root of -1.

These are natural numbers greater than 1 which have more factors than 1 and itself as factors.

This is the set of all numbers that do not exist in the real world. Usually denoted as i.

This is the set of natural numbers with 0.

These are numbers that can be expressed as 2k where k is an integer. 

These are numbers that can be expressed as 2k+1 where k is an integer. 

This is the set of all numbers that exists in the real world. This is composed of rational and irrational numbers.

These are numbers that can be expressed as a ratio of two numbers a and b, where b≠0.

These are numbers that cannot be expressed as a ratio of two numbers a and b, where b≠0.

These are natural numbers greater than 1 which have only 1 and itself as factors.