Googology Wiki
Googology Wiki

150 is sometimes called fifteenty.[1]

It is also the number of species in the first Pokémon list.

DeepLineMadom calls the number unoogolquadriplex, and is equal to 10[1]10[1]10[1]10[1]10[1]100 in DeepLineMadom's Array Notation[2].


Currency-related use

Some currencies, such as the Canadian dollar, have commemorative coins with the number 150 in the denomination.


  1. 15 is fifteen, 1500 is fifteen-hundred, so 150 is fifteenty. Retrieved 2021-11-21.
  2. DeepLineMadom's googology - Numbers I've coined (Retrieved 4 May 2022)
  3. Wolfram Alpha. Retrieved 2021-11-21.
  4. Wolfram Alpha. Retrieved 2021-11-21.
  5. Sequence A005349. Retrieved 2021-11-21.