Googology Wiki
Googology Wiki

19 (nineteen) is a positive integer following 18 and preceding 20. Its ordinal form is written "19th" or "ninteenth".


In googology

  • In Greek-based number-naming systems, 19 is associated with prefix "enneadeka-", and with prefix "novemdeci-" in Latin systems.
  • Its Roman numeral (XIX) is used in Fibonaxix.

In popular culture

  • Vince Offer, famous for his Shamwow and Slapchop commercial, says "my nuts" a total of 19 in the remixed commercial video.
  • In the Basshunter song "DotA", the video game name "DotA" is pronounced 19 times.
  • 19 is associated with COVID-19.
  • The board of Go has 19 vertical and horizontal lines.[1]


  1. Nihon Ki-in, HOW TO PLAY GO [ 1/3 ]