This is called palindromes. Pa's a sap is an example of a palindrome. The words pup, peep and pullup are additional examples of palindrome.
123454321/234565432/345676543/...
28082
It reads the same forwards and backwards, like 65456.
A number that reads the same backwards and forwards, like 34943.
A number that reads the same backwards as it does forwards. For example 1357531, or 121.
606 is a palindrome as it reads backwards the same as it does forwards.
A number that reads the same backwards and forwards.
A number that reads the same forward and backward. eg: 666 1221 12321
11
Any number that reads the same forwards and backwards, like 33 or 45654.
A palindromic word or sentence is one that reads the same both forwards and backwards, e.g. "Able was I ere I saw Elba". By extension a palindromic number could be one that reads the same both forward and backward, e.g., 101, 202, etc.
No, a palindromic number reads the same backwards and forwards so 396 is not whereas 696 or 393 would be.