9, or IX in Roman numerals, was a number. (AUDIO: The Odds Against) The Ninth Doctor considered it to be his lucky number. (AUDIO: The Other Side) The Lamadines had nine opposable digits. (TV: Terror of the Autons) According to Jo Grant, 108 divided by 9 was 12. (TV: The Claws of Axos) Human pregnancies typically lasted nine months. (TV: The Gathering, Dark Water, The Tsuranga Conundrum) Retrieved from "https://tardis.fandom.com/wiki/9_(number)?oldid=3024012" Categories: Numbers + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.