Q: Is 643,521,406 a Palindrome?
A: No, the number 643,521,406 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:
643521406
Now we reverse it like this:
604125346
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 643521406 = 604125346?
Answer:
NO, so that means the number 643,521,406 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 643,521,404 | 643,521,405 | 643,521,407 | 643,521,408 |
| Palindrome? | no | no | no | no |