Palindrome Numbers
A palindrome number reads the same in both directions, just like a palindrome word. 11, 121, and 12321 are all palindromic numbers.
Palindrome numbers
| Word / Phrase | Cleaned | Length |
|---|---|---|
| 11 | 11 | 2 |
| 121 | 121 | 3 |
| 1001 | 1001 | 4 |
| 12321 | 12321 | 5 |
| 14641 | 14641 | 5 |
| 1234321 | 1234321 | 7 |
| 1991 | 1991 | 4 |
| 123454321 | 123454321 | 9 |
Palindrome numbers in mathematics
Numeric palindromes are a favourite curiosity in recreational mathematics — for example, 11 squared is 121 and 11 to the fourth power is 14641, both palindromes.