The number '4' can be considered a palindrome because it is read the same whether forward or backward. It can become another palindrome when it is considered as 2x2.
Any number that is is a palindrome will always be a palindrome.
Deed
4224
a palindrome can be greater than just four alphabets for eg. 'racecar'.
Noon is one.
-1
4 or 121
not 4 letters but 5 as STATS
poop (deck)
toot ??? peep???
8778
8998