algebraic number

An algebraic number is a real or complex number that is the root of a polynomial with rational coefficients.

The algebraic numbers are countable. A number that is not algebraic is said to be a transcendental number; examples include e and \(\pi\).

Citation Info

  • [MLA] “algebraic number.” Platonic Realms Interactive Mathematics Encyclopedia. Platonic Realms, 29 Sep 2014. Web. 19 Jun 2019. <>
  • [APA] algebraic number (29 Sep 2014). Retrieved 19 Jun 2019 from the Platonic Realms Interactive Mathematics Encyclopedia:


Get the ultimate math study-guide Math & Me: Embracing Successproduct thumbnail image Available in the Math Store
detail from Escher pic Belvedere

Are you a mathematical artist?

Platonic Realms is preparing an online gallery space to showcase and market the works of painters, sculptors, and other artists working in a tangible medium.

If your work celebrates mathematical themes we want to hear from you!

Please let us know about yourself using the contact page.