The other day, I did a mini-investigation into an interesting maths tweet from Cliff Pickover. Here’s another:

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```Scream! The string 79873884 1st occurs in Pi at position 79873884, counting from 1st digit after the decimal point. pic.twitter.com/kcASDJSV1A

— Cliff Pickover (@pickover) April 21, 2015

This fact is beautiful, but is it surprising?