Q: Is 517,838,721 a Palindrome?
A: No, the number 517,838,721 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:
517838721
Now we reverse it like this:
127838715
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 517838721 = 127838715?
Answer:
NO, so that means the number 517,838,721 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 517,838,719 | 517,838,720 | 517,838,722 | 517,838,723 |
Palindrome? | no | no | no | no |