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Scott Aaronson's article "Who Can Name the Bigger Number?" is an excellent introduction as well and has been discussed many times on HN. https://www.scottaaron

Scott Aaronson's article "Who Can Name the Bigger Number?" is an excellent introduction as well and has been discussed many times on HN. https://www.scottaaronson.com/writings/bignumbers.html https://www.scottaaronson.com/writings/bignumbers.html

zimpenfish 3y ago
On the topic of "biggest number", there's an excellent Numberphile[1] on Rayo's Number (which does mention Busy Beavers on the way.) [1] https://www.youtube.com/watch?v=X3l0fPHZja8 https://www.youtube.com/watch?v=X3l0fPHZja8