Whole Numbers

Last Updated : 5 Oct, 2026

Whole numbers are numbers with no fractions or decimals, and they start with 0. Zero is the smallest whole number.

  • There isn't a largest whole number because the set of whole numbers is infinite.
  • All whole numbers are real numbers, but not all real numbers are whole numbers.
  • The set of whole numbers is represented by the capital letter W.
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Examples of Whole Numbers in Real-Life

Set of Whole Numbers

The set of whole numbers includes the set of natural numbers along with the number 0. The set of whole numbers in mathematics is given as {0, 1, 2, 3, ...}

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Relationship Between Whole Numbers and Natural Numbers

Whole Numbers on the Number Line

Whole numbers can be easily observed on the number line. They are represented as a collection of all the positive integers, along with 0.

The visual representation of whole numbers on the number line is given below:

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Some Interesting Facts

  • All whole numbers come under real numbers.
  • All natural numbers are whole numbers but not vice-versa.
  • All positive integers, including 0, are whole numbers.
  • All counting numbers are whole numbers.
  • Every whole number is a rational number.
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