What is a Palindrome?

A palindrome is a word, number, phrase, or other sequence of characters that reads the same forward and backward, ignoring spaces, punctuation, and capitalization.

Examples:

• "radar" - The same forward and backward
• "A man, a plan, a canal: Panama" - Ignoring spaces, punctuation, and case
• "Madam, I'm Adam" - Another classic palindrome phrase
• "racecar" - Another perfect palindrome word

Interesting Facts:

• The longest single-word English palindrome commonly cited is "rotavator"
• Palindromes can be found in numbers, DNA sequences, and musical compositions
• Some languages and cultures have traditions of creating palindromic poetry