17 (number)

17 was a number.

Troilus told Vicki that he would be seventeen on his next birthday. Vicki replied that was hardly any older than she was. (TV: The Myth Makers)

At the time the Second Doctor burst into the ioniser control room in the Brittanicus Base, it was seventeen degrees out of the norm. Subsequently, Clent ordered the gauges to be adjusted. (TV: The Ice Warriors)

K9 Mark II knew of seventeen planets which had legends of vampires. (TV: State of Decay)

The Major had seventeen medals. (PROSE: Bide-a-Wee)

David R was seventeen in 2007. (PROSE: Who Am I?)

Chronon, (WC: 14682 UNIT Field Log, 14683 UNIT Field Log, 14684 UNIT Field Log) or cronon (WC: 14681 UNIT Field Log) and artron energy readings during the recording of UNIT field logs included 17%, (WC: 14682 UNIT Field Log) 18%, 19%, (WC: 14681 UNIT Field Log, 14682 UNIT Field Log) 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, (WC: 14682 UNIT Field Log) 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, (WC: 14682 UNIT Field Log, 14684 UNIT Field Log) 90%, (WC: 14682 UNIT Field Log, 14683 UNIT Field Log) 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 100%, 101%, 102%, 103%, 104%, 105%, 106%, and, in the case of Chronon energy, 107%. (WC: 14683 UNIT Field Log)

Lucy Wilson's seventeenth birthday fell on 2 June, 2022, coinciding with Queen Elizabeth II's platinum Jubilee. (PROSE: The Platinum Sceptre)

Behind the scenes

 * The 2010 edition of The Visual Dictionary, which is considered invalid by this wiki for being non-narrative, suggests that the then incumbent is the seventeenth incarnation by stating that the Master has inhabited "at least 17 bodies" whilst acknowledging that he had stolen the bodies of Tremas and Bruce after having used up his regenerations, which are curiously numbered at 13 rather than the commonly accepted 12.
 * This also clashes with the Master from The Curse of Fatal Death, who was referenced in a featurette as being the Seventeenth Master.