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Thursday, November 28, 2013

 

\(\pi(x)\)

  \[ \begin{aligned} \pi(x) \thicksim \frac{x}{\ln x} \quad \text{as } x \rightarrow \infty \\ \end{aligned} \]
where \(\pi(x)\) is the number of primes less than or equal to \(x\). A nice video.


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