Q: Is 211,721,407 a Palindrome?
A: No, the number 211,721,407 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:
211721407
Now we reverse it like this:
704127112
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 211721407 = 704127112?
Answer:
NO, so that means the number 211,721,407 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 211,721,405 | 211,721,406 | 211,721,408 | 211,721,409 |
Palindrome? | no | no | no | no |