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روش اول: تقسیم‌های متوالی

روش دوم: روش کاهش وزن                                                     ${{\left( 342 \right)}_{10}}={{(101010110)}_{2}}$

$\begin{align}
  & 256\,\,\,\,\,128\,\,\,\,\,64\,\,\,\,\,32\,\,\,\,\,16\,\,\,\,\,8\,\,\,\,\,4\,\,\,\,\,2\,\,\,\,\,1 \\ 
 & \,\,1\,\,\,\,\,\,\,\,\,\,\,0\,\,\,\,\,\,\,\,\,\,1\,\,\,\,\,\,\,\,0\,\,\,\,\,\,\,\,1\,\,\,\,\,\,0\,\,\,\,\,\,1\,\,\,\,\,\,1\,\,\,\,\,0 \\ 
\end{align}$$\begin{align}
  & 256\,\,\,\,\,\,128\,\,\,\,\,\,64\,\,\,\,\,\,32\,\,\,\,\,\,16\,\,\,\,\,\,8\,\,\,\,\,\,\,4\,\,\,\,\,\,\,2\,\,\,\,\,\,\,1 \\ 
 & \,\,1\,\,\,\,\,\,\,\,\,\,\,\,0\,\,\,\,\,\,\,\,\,\,1\,\,\,\,\,\,\,\,\,\,0\,\,\,\,\,\,\,\,\,1\,\,\,\,\,\,\,0\,\,\,\,\,\,\,\,1\,\,\,\,\,\,\,1\,\,\,\,\,\,\,\,0 \\ 
\end{align}$