Answer
$1101111_2$
Work Step by Step
$2|\underline{111}\ \ remainders$
$2|\underline{55}\ \ \ \ \ \ \ \ \ 1$
$2|\underline{27}\ \ \ \ \ \ \ \ \ 1$
$2|\underline{13}\ \ \ \ \ \ \ \ \ 1$
$2|\underline{6}\ \ \ \ \ \ \ \ \ \ 1$
$2|\underline3\ \ \ \ \ \ \ \ \ \ 0$
$2|\underline1\ \ \ \ \ \ \ \ \ \ 1$
$\ \ \ \,0\ \ \ \ \ \ \ \ \ \ \ 1$ $\ \ \ \uparrow$ read digits up
