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Improved Estimate for the Prime Counting Function [PDF]

open access: yesTurkish Journal of Analysis and Number Theory, 2019
Using some simple combinatorial arguments, we establish some new estimates for the prime counting function and its allied functions. In particular we show that \begin{align}π(x)=Θ(x)+O\bigg(\frac{1}{\log x}\bigg), \nonumber \end{align}where \begin{align}Θ(x)=\frac{θ(x)}{\log x}+\frac{x}{2\log x}-\frac{1}{4}-\frac{\log 2}{\log x}\sum \limits_{\substack ...
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On an inequality involving prime counting function

2022
In this paper I shall focus on proving the Inequality, π((x + 1) 2) − π(x 2) ≥ 1 provided some range of x. Our proof is merely relied on basic calculus. Specifically speaking we will use basic properties of definite integrals to prove this inequality.
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Prime Number Counting Function

2018
On the way to showing the significance of the zeta zeros for counting prime numbers up to a given magnitude, Riemann introduces an important weighted prime number function f(x). We will call it \(\Pi (x)\) while others use J(x). Since this function is of utmost importance, we will start introducing it by way of examples.
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A lower bound for the prime counting function

The Mathematical Gazette, 2011
Summary: Let \(\pi (x)\) count the primes \(p\leq x\), where \(x\) is a large real number. Euclid proved that there are infinitely many primes, so that \(\pi(x)\rightarrow\infty\) as \(x\rightarrow\infty\); in fact his famous argument can be used to show that \[ \pi(x)>\log \log x.
Shiu, Daniel, Shiu, Peter
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