## Enter Expression

##### How does the Rational,Irrational,Natural,Integer Property Calculator work?
Free Rational,Irrational,Natural,Integer Property Calculator - This calculator takes a number, decimal, or square root, and checks to see if it has any of the following properties:
* Integer Numbers
* Natural Numbers
* Rational Numbers
* Irrational Numbers Handles questions like: Irrational or rational numbers Rational or irrational numbers rational and irrational numbers Rational number test Irrational number test Integer Test Natural Number Test
This calculator has 1 input.

### What 4 formulas are used for the Rational,Irrational,Natural,Integer Property Calculator?

A number is natural if it is one of the counting numbers (greater than 0), i.e., 1,2,3,4,5,...
Whole Numbers are positive numbers, including 0, with no decimal or fractional parts
Integers are a whole number (no fractions or decimals) positive or negative including the number 0, ...,-5,-4,-3,-2,-1,0
Imaginary numbers are the square root of a negative number

For more math formulas, check out our Formula Dossier
##### What 7 concepts are covered in the Rational,Irrational,Natural,Integer Property Calculator?
imaginary number
a real number multiplied by the imaginary unit i, which is defined by its property i2 = -1.
integer
a whole number; a number that is not a fraction
...,-5,-4,-3,-2,-1,0,1,2,3,4,5,...
irrational number
a number that can NOT be expressed as the quotient or fraction p/q of two integers
natural number
the positive integers (whole numbers)
1, 2, 3, ...
rational number
a number that can be expressed as the quotient or fraction p/q of two integers
rational,irrational,natural,integer property
whole number
numbers that include natural numbers and zero
{0, 1, 2, 3, ...}