there is no limit.
5
Repaper is the palindrome meaning put up wallpaper again.
depends on how many people are locked up 7 or 8 numbers
16
They make up the Real numbers.
16
Add all of the numbers up, and then divide that result by how many numbers there were, e.g. 1,2,3,4,5. Added up they make 15. As there are five numbers there, you divide 15 by 5, and you get 3. Voila.
On Earth to Make the Numbers Up was created on 2000-10-02.
2 x 7 x 13
bob
bob
a spoonerism