Among the real numbers, any of those that cannot be represented as quotients of integers. In decimal form, irrational numbers are represented by nonterminating, nonrepeating decimals. Examples include square roots of prime numbers and such transcendental numbers as π and math.e.

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Irrational may refer to:

• Irrationality
• Irrational rhythm,
• Irrational exuberance
• Irrational Games

In mathematics:

• Irrational number
• Proof that e is irrational
• Proof that π is irrational
• Quadratic irrational
• List of integrals of irrational functions

See also

• rational