Q: Is 722,457,421 a Palindrome?
A: No, the number 722,457,421 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:
722457421
Now we reverse it like this:
124754227
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 722457421 = 124754227?
Answer:
NO, so that means the number 722,457,421 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 722,457,419 | 722,457,420 | 722,457,422 | 722,457,423 |
Palindrome? | no | no | no | no |