Q: Is 21,239,445 a Palindrome?
A: No, the number 21,239,445 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:
21239445
Now we reverse it like this:
54493212
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 21239445 = 54493212?
Answer:
NO, so that means the number 21,239,445 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 21,239,443 | 21,239,444 | 21,239,446 | 21,239,447 |
Palindrome? | no | no | no | no |