ژمارەی سەرەتایی

${\displaystyle 2k=p_{n}+p_{m}}$ 

${\displaystyle 4=2+2}$ 

${\displaystyle 6=3+3}$ 

${\displaystyle 8=5+3}$ 

${\displaystyle 10=5+5}$ 

${\displaystyle 12=7+5}$ 

${\displaystyle 14=7+7}$ 

${\displaystyle 16=11+5}$ 

${\displaystyle 18=11+7}$ 

${\displaystyle 20=13+7}$ 

${\displaystyle 22=11+11}$ 

${\displaystyle 24=13+11}$ 

${\displaystyle 26=19+7}$ 

${\displaystyle \lim _{x\to \infty }{\frac {\pi (x)}{x/ln(x)}}=1}$ 

${\displaystyle x}$	${\displaystyle \pi (x)}$	${\displaystyle {\frac {\pi (x)}{x/ln(x)}}}$
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${\displaystyle \lim _{x\to \infty }{\frac {\pi (x)}{x/ln(x)}}=1}$ 

${\displaystyle \pi (x)\sim {\frac {x}{\ln x}}.\!}$ 

${\displaystyle p^{-1}\left(\,x\,\right)=\pi (x)}$ 

${\displaystyle {\frac {x_{1}}{\ln x}}=x_{2}}$ 

${\displaystyle {x_{1}}=x_{2}\ln(x)}$ 

${\displaystyle p(x)=x\ln(x)}$ 

${\displaystyle p(x)\sim \ x\ln(x)}$ 

${\displaystyle \lim _{x\to \infty }{\frac {p(x)}{x\ln(x)}}=1}$