Q: Is 555,221,122 a Palindrome?
A: No, the number 555,221,122 is not a palindrome.
A palindromic number is number that remains the same when its digits are reversed.
Here's how to check if a number is a palindrome:
Step 1
Take the original number and reverse it.
Here is the original number color coded:
555221122
Now we reverse it like this:
221122555
Notice the colors are going in the opposite direction now
Step 2
Compare the two numbers. If they are exactly the same then the number is a palindrome.
Is 555221122 = 221122555?
Answer:
NO, so that means the number 555,221,122 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 555,221,120 | 555,221,121 | 555,221,123 | 555,221,124 |
| Palindrome? | no | no | no | no |