Favorite Numbers

  (Edited: )

So, I was watching a video on the "numberphile" channel on YouTube about various people's favorite numbers. One person's favorite number stuck out to me (at 3:38 in the video).

And so with that, I ask you: What is your favorite number (that isn't "J")? Personally, I like the number 83, which is the atomic number of Bismuth (my favorite element).