In the TV series "The Big Bang Theory", what is Sheldon Cooper's favourite number?

Well, I'm glad the majority got it wrong with me! hahaha

SOS, That's what I called SOS 😂😂😂

I have never seen a single episode of BBT but its been on my pending to watch forever. idk when ill start xd

Shaun David, that was 43

I am cheeting sorry