Q: Is 400,156,243 a Palindrome?
A: No, the number 400,156,243 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:
400156243
Now we reverse it like this:
342651004
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 400156243 = 342651004?
Answer:
NO, so that means the number 400,156,243 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 400,156,241 | 400,156,242 | 400,156,244 | 400,156,245 |
| Palindrome? | no | no | no | no |