Q: Is 21,099 a Palindrome?

A: No, the number 21,099 is not a palindrome.

How is 21,099 not a palindrome number?

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:

21099

Now we reverse it like this:

99012

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 21099 = 99012?

Answer:

NO, so that means the number 21,099 is not a palindrome!

Here are more examples of potential palindrome numbers in sequence:

Number	21,097	21,098	21,100	21,101
Palindrome?	no	no	no	no

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