Notable Properties of Specific Numbers:
Interesting number trivia. Though, he forgot to mention #1 (it's the loneliest number).
17: Cult numbers are related to "psychologically random" numbers, i.e. numbers which "sound random" or are chosen more often when someone is asked to pick a random number. 17 is the most often picked number in response to the request "Pick a random number between 1 and 20." Psychologically random numbers are used by writers, etc. in situations where some large number is needed but no particular value is better than any other. For example, see 37 for some examples from movies.
Interesting number trivia. Though, he forgot to mention #1 (it's the loneliest number).