Which category do the numbers belong too? (More than one category for the answers)

Question

Natural Numbers

Whole Numbers

Integers

Rational Numbers

Irrational Numbers

Real Numbers

Answers

- sqrt(17)

-2

- 9/37

0

pi

Answer 1

- sqrt(17): Irrational Numbers, Real Numbers

-2: Integers, Rational Numbers, Real Numbers

- 9/37: Rational Numbers, Real Numbers

0: Whole Numbers, Integers, Rational Numbers, Real Numbers

pi: Irrational Numbers, Real Numbers