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813 a.k.a. Potassium is a chemical element with symbol K and atomic number 19. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and is very reactive with water, generating sufficient heat to ignite the hydrogen emitted in the reaction and burning with a lilac flame. Naturally occurring potassium is composed of three isotopes, one of which, ⁴⁰K, is radioactive. Traces of this isotope are found in all potassium, making ⁴⁰K the most common radioisotope in the human body and in many biological materials, as well as in common building substances such as concrete.

  • also known as Potassium, K; K; Augmentin; Kalium; Potassium chloride; Thyroshield; Potassium citrate; Potassium ion


"813" a.k.a. "Rinkitink in Oz": Rinkitink in Oz: Wherein is Recorded the Perilous Quest of Prince Inga of Pingaree and King Rinkitink in the Magical Isles that Lie Beyond the Borderland of Oz. is the tenth book in the Land of Oz series written by L. Frank Baum. Published on June 20, 1916, with full-color and black-and-white illustrations by artist John R. Neill, it is significant that no one from Oz appears in the book until its climax; this is due to Baum having originally written most of the book as an original fantasy novel over ten years earlier, in 1905. Most of the action takes place on three islands — Pingaree, Regos, and Coregos — and within the Nome King's caverns. Since the original ruler of the nomes, Roquat — who later renamed himself Ruggedo, was deposed in 1914's Tik-Tok of Oz, Baum had to cleverly rework the tale to accommodate his successor, the well-intentioned—but politically motivated--Kaliko.

  • also known as "Rinkitink In Oz (Large Print)"
  • language: English Language
  • genres: Children's literature, Fantasy, Speculative fiction
  • copyright: 1916
  • released in (99 years ago)


  1. 813 a.k.a. The Riordans was the second Irish soap opera made by Raidio Telefís Éireann. It ran from 1965 to 1979 and was set in the fictional townland of Leestown in County Kilkenny. Its location filming with Outside Broadcast Units, rather than using only TV studios, broke the mould of broadcasting in the soap opera genre and inspired the creation of its British equivalent, Emmerdale Farm by Yorkshire Television in 1972.
  2. "813" is a 1920 film directed by Charles Christie and Scott Sidney, written by Scott Darling from the story by Maurice Leblanc, produced by Al Christie, released by the Christie Film Company and the Robertson-Cole Pictures Corporation, and starring Wedgwood Nowell as jewel thief Arsene Lupin with a supporting cast featuring Ralph Lewis, Wallace Beery and Laura La Plante.


813 is a Postal Code.


  1. 813 a.k.a. calumenin is a gene.
  2. 813 a.k.a. Religious, Grantmaking, Civic, Professional, and Similar Organizations is an industry.

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