I know using Euler's Totient function, it's easy to find the last $n$ digits of Graham's number (or any large repeating power tower), but is there any known way to find the first $n$ digits of Graham's Number? How about in binary? Or in any base besides a power of 3?
2026-03-25 17:22:22.1774459342
First $n$ digits of Graham's Number
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