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  1. Irrational Numbers - Math is Fun

    Because it's an irrational number. An Irrational Number is a real number that cannot be written as a simple fraction: 1.5 is rational, but π is irrational. Let's look at what makes a number rational …

  2. Irrational number - Wikipedia

    The number is irrational. In mathematics, the irrational numbers are all the real numbers that are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two …

  3. Irrational Numbers - Definition, Examples | Rational and

    Rational numbers are those that are terminating or non-terminating repeating numbers, while irrational numbers are those that neither terminate nor repeat after a specific number of …

  4. Irrational Numbers- Definition, Examples, Symbol, Properties

    Jul 23, 2025 · Irrational Numbers are numbers that can not be expressed as the ratio of two integers. They are a subset of Real Numbers and can be expressed on the number line. And, …

  5. Irrational Numbers: Definition & Examples - Statistics by Jim

    Learn what irrational numbers are, how to identify them, and see clear examples like √2 and π. Great for students!

  6. Irrational number | Definition, Examples, & Facts | Britannica

    Nov 21, 2025 · Irrational number, any real number that cannot be expressed as the quotient of two integers—that is, p/q, where p and q are both integers. For example, there is no number …

  7. Irrational Numbers - Science Notes and Projects

    Oct 15, 2022 · Learn about irrational numbers in math. Get the definition and examples, including transcendental numbers such as pi and e.

  8. Irrational Numbers | Brilliant Math & Science Wiki

    Irrational numbers are real numbers that cannot be expressed as the ratio of two integers. More formally, they cannot be expressed in the form of p q qp, where p p and q q are integers and q …

  9. 3.5: Irrational Numbers - Mathematics LibreTexts

    Jan 2, 2025 · Irrational numbers are numbers that cannot be expressed as a fraction of two integers. Recall that rational numbers could be identified as those whose decimal …

  10. Irrational Number - from Wolfram MathWorld

    An irrational number is a number that cannot be expressed as a fraction p/q for any integers p and q. Irrational numbers have decimal expansions that neither terminate nor become periodic.