Palindrome Checker

Palindrome Fun Facts

• The word "palindrome" comes from the Greek words palin (again) and dromos (way/direction).
• The longest single-word English palindrome commonly cited is "tattarrattat", coined by James Joyce in Ulysses (1922).
• "A man, a plan, a canal: Panama!" is one of the most famous palindrome sentences.
• The Finnish word "saippuakivikauppias" (a soapstone seller) is the longest known palindromic word in everyday use.
• Palindromic numbers play a role in recreational mathematics — for example, 11 x 11 = 121.
• The first known palindrome dates back to 79 AD — the Latin "sator arepo tenet opera rotas" found in Herculaneum ruins.
• Palindromes exist in DNA sequences and are important in molecular biology (restriction enzyme sites are palindromic).