ELI5: Explain Like I'm 5

Shannon number

Okay kiddo, have you ever played the game of guessing which number your friend is thinking between one and a hundred? It's a fun game, right? Well, imagine if you played that game but instead of a hundred, you had to guess a number between one and a billion.

A really smart man named Claude Shannon invented something called the Shannon Number, which is a way to measure how many possible moves there are in a game. And in the game of guessing a number between one and a billion, the Shannon Number is... *drumroll please*... around 33.22 billion!

That means there are 33.22 billion possible numbers your friend could be thinking of, and you would have to use a lot of brainpower and maybe some luck to guess the right one. The Shannon Number helps people understand just how complex a game or problem is, and if it's worth trying to solve.

So, next time you're playing a big guessing game or trying to solve a tough problem, just remember that there's a guy named Claude Shannon who came up with a big number to measure just how challenging it is!
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