By memory, it is Hiroyuki Goto, who memorized and recited 42,195 in seventeen hours and twenty one minutes in 1995.
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It was over 60,000 digits. There are plenty more digits other than this though since pi is infinite.
Huroiki gotu< over 42,000 digits>
pi is an irrational number so there are no sustained patterns in the digits of pi.
In 2005, Lu Chao of China set a world record by memorising the first 67,890 digits of Pi
The first eleven digits of pi are:3.141592653