Q: Is 21,477,572 a Palindrome?
A: No, the number 21,477,572 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:
21477572
Now we reverse it like this:
27577412
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 21477572 = 27577412?
Answer:
NO, so that means the number 21,477,572 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 21,477,570 | 21,477,571 | 21,477,573 | 21,477,574 |
| Palindrome? | no | no | no | no |