Q: Is 20,721,684 a Palindrome?
A: No, the number 20,721,684 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:
20721684
Now we reverse it like this:
48612702
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 20721684 = 48612702?
Answer:
NO, so that means the number 20,721,684 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 20,721,682 | 20,721,683 | 20,721,685 | 20,721,686 |
| Palindrome? | no | no | no | no |