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Search options questions only not deleted user 955
13 votes
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Can we compute the first $n$ digits of $\pi$ in $F(n)$ time?

I've seen various fast algorithms for computing the first few, or directly the $n$-th, digits of $\pi$. … So my question is: What is the best known $F(n)$ for which the first $n$ digits of $\pi$ can be computed in $F(n)$ steps? …
domotorp's user avatar
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24 votes
0 answers
1k views

0's in 815915283247897734345611269596115894272000000000

Is 40 the largest number for which all the 0 digits in the decimal form of $n!$ come at the end? Motivation: My son considered learning all digits of 40! for my birthday. …
domotorp's user avatar
  • 18.9k