Q: Is 215,404,621 a Palindrome?
A: No, the number 215,404,621 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:
215404621
Now we reverse it like this:
126404512
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 215404621 = 126404512?
Answer:
NO, so that means the number 215,404,621 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 215,404,619 | 215,404,620 | 215,404,622 | 215,404,623 |
Palindrome? | no | no | no | no |