sees backwards is still sees
There are no one-word synonyms for 'palindrome'.
606 is a palindrome. 654 is not one.
Since palindrome denotes a word that reads the same forwards as backwards, a one-digit palindrome would not make sense.
There is no one-word 8-letter palindrome in English, apparently!
Ones that read the same backwards and forwards, like 45654.
No. 89 is not a palindrome: one step or 24 step.