Q: Is 400,620,509 a Palindrome?
A: No, the number 400,620,509 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:
400620509
Now we reverse it like this:
905026004
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 400620509 = 905026004?
Answer:
NO, so that means the number 400,620,509 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
Number | 400,620,507 | 400,620,508 | 400,620,510 | 400,620,511 |
Palindrome? | no | no | no | no |