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For those that are interested in reciting digits of Pi (I would guess you can either memorise the digits or calculate as you go) the current record is held by a South African: https://www.youtube.com/watch?v=_mGjJMVKWcU

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He only won the record for the fastest recall of pi. 1500 digits in 4 minutes. Daniel Tammet recited 22514 in 5 hours. https://en.wikipedia.org/wiki/Daniel_Tammet

the Guinness world record is over 70k digits set by Rajveer Meena: https://www.guinnessworldrecords.com/world-records/most-pi-p...

Such an awe inspiring achievement, to store that much structured data accurately. What else is the brain capable of doing?

Structured?

Lossless, ordered set of symbols with no errors.

It's much different than remembering a story or a travel route or an image.

Yes, but structured is in general in opposition to random, which the digits of pi seem to be. No one knows of any structure in the digits of pi.

But pi defines its structure. By being seemingly random and irrational, it has created a specific ordered set of symbols and imbued that set with meaning because it has a referent: we call it pi.

It’s not random, but that doesn’t mean it is structured. And there’s absolutely no difference between the digits of pi and a completely random sequence for anyone trying to memorise them.

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