$${{\mathtt{2}}}^{{\mathtt{x}}} = {\mathtt{4\,743}}$$
$${\mathtt{x}} = {\frac{{log}_{10}\left({\mathtt{4\,743}}\right)}{{log}_{10}\left({\mathtt{2}}\right)}}$$ = $${\frac{{log}_{10}\left({\mathtt{4\,743}}\right)}{{log}_{10}\left({\mathtt{2}}\right)}} = {\mathtt{12.211\: \!584\: \!153\: \!079\: \!526\: \!8}}$$
$${{\mathtt{2}}}^{{\mathtt{x}}} = {\mathtt{4\,743}}$$
$${\mathtt{x}} = {\frac{{log}_{10}\left({\mathtt{4\,743}}\right)}{{log}_{10}\left({\mathtt{2}}\right)}}$$ = $${\frac{{log}_{10}\left({\mathtt{4\,743}}\right)}{{log}_{10}\left({\mathtt{2}}\right)}} = {\mathtt{12.211\: \!584\: \!153\: \!079\: \!526\: \!8}}$$