Is -3 a rational, irrational, natural, whole, integer or real number?
natural or whole numbers (the terms are generally considered synonymous) are non-negative "counting numbers". Occasionally they are denoted by the symbol
integers are natural numbers extended to include negative versions of all the natural numbers (and
Rational numbers are numbers that can be expressed as a fraction or ratio of two integers. Rational numbers are denoted
Irrational numbers are numbers that can not be expressed as a ratio (or fraction) of two integers but could represent a linear distance.
Real numbers are a union of both rational and irrational numbers