Palindrome
A palindromic number is a number whose digits, with decimal representation usually assumed, are the same read backward, for example, 5885. They are studied in recreational mathematics where palindromic numbers with special properties are sought. A palindromic prime is a palindromic number that is a prime number, for example, 191 and 313.
A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward as forward, such as madam or racecar. Sentence-length palindromes may be written when allowances are made for adjustments to capital letters, punctuation, and word dividers. Aqui ficam alguns exemplos:
- A nut for a jar of tuna.
- Al lets Della call Ed “Stella”.
- God lives, evil dog.
- Borrow or rob?
- Was it a car or a cat I saw?
- Ed, I saw Harpo Marx ram Oprah W. aside.
- Madam, in Eden, I’m Adam.
- Murder for a jar of red rum.
- No garden, one dragon.
- Oozy rat in a sanitary zoo.
- Yo, banana boy!
- A car, a man, a maraca.
- A man, a plan, a canal: Panama.
- A Santa dog lived as a devil God at NASA.
- A Toyota! Race fast, safe car! A Toyota!
- Devil never even lived.
- Marge lets Norah see Sharon’s telegram.
- No, it never propagates if I set a gap or prevention
- Norma is as selfless as I am, Ron.
- If I had a hi-fi…
- Stressed was I ere I saw desserts.
- Red rum, sir, is murder.
- Are we not pure? “No, sir!” Panama’s moody Noriega brags. “It is garbage!” Irony dooms a man—a prisoner up to new era.
