27
From Omnictionary
I have noticed the number 27 appears in literature and art a lot.
Here is a place to discuss that or link to those examples.
Example:
there is the quote
"She's the kind of person who either dies tragically at twenty-seven, like Jimi Hendrix and Janis Joplin, or else grows up to win, like, the first-ever Nobel Prize for Awesome."- Ben Starling
of course there is:

