Q: Is 21,578,222 a Palindrome?
A: No, the number 21,578,222 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:
21578222
Now we reverse it like this:
22287512
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 21578222 = 22287512?
Answer:
NO, so that means the number 21,578,222 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 21,578,220 | 21,578,221 | 21,578,223 | 21,578,224 |
Palindrome? | no | no | no | no |