Assume Multi Level Page Table operating system with $3$ levels of Page tables. The system yseuses a Page of X $=16$KB and has a translation table base register of $\text{'}Y=16$bits. Each Page Table entry occupies $8$ Bytes

Number of Page Tabie Entry in the $2$nd level Page Table is $?$

The address space covered by each entry of $2$ nd level Page Table is $?$