Q: Is 21,863,647 a Palindrome?
A: No, the number 21,863,647 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:
21863647
Now we reverse it like this:
74636812
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 21863647 = 74636812?
Answer:
NO, so that means the number 21,863,647 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 21,863,645 | 21,863,646 | 21,863,648 | 21,863,649 |
| Palindrome? | no | no | no | no |