Numerical Properties for 15

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Determine 15 characteristics:

Natural Number Test

Counting numbers > 0: 1,2,3,4,5,...
Since 15 is positive
It is one of the counting numbers
15 is a natural number

Whole Number Test

Whole Numbers are positive numbers
They include 0
They have no decimal or fractional parts
Since 15 is an integer ≥ 0
15 is a whole number

Integer Test

Integers have no fractions or decimals
...,-5,-4,-3,-2,-1,0,1,2,3,4,5,...
15 is an integer

Rational Number Test

Check for integer or decimal
Rationals = a/b
where a and b are integers
and b ≠ 0.
15 is an integer or decimal
15 is a rational

Irrational Number Test

Is not a ratio between two integers
Is not an imaginary number.

Imaginary Number Test

Test for square root of a negative
15 is not the square root of a negative
It is not imaginary
Since 15 is a rational number
15 is not an irrational number





For more detailed analysis on properties for the number 15, check out our numerical property calculator
To learn even more about , use our number property calculator


What is the Answer?

  • Natural
  • Whole
  • Integer
  • Rational

How does the Rational,Irrational,Natural,Integer Property Calculator work?

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?

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

Example calculations for the Rational,Irrational,Natural,Integer Property Calculator

  1. is 34 natural
  2. is 85.6 rational
  3. prove 99.7 is rational
  4. is 45 an integer

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Rational,Irrational,Natural,Integer Property

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