Q: Is 21,713,447 a Palindrome?
A: No, the number 21,713,447 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:
21713447
Now we reverse it like this:
74431712
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 21713447 = 74431712?
Answer:
NO, so that means the number 21,713,447 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 21,713,445 | 21,713,446 | 21,713,448 | 21,713,449 |
Palindrome? | no | no | no | no |