Quali sono i numeri palindromi?
Quali sono i numeri palindromi?
I palindromi primi di tre cifre sono quindici: 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 9. Non ne esistono con quattro o sei cifre, mentre sono 93 a cinque cifre: 10301, 10501, 10601, 11311, 11411, 12421, … Seguono il numero formato da 317 uno e da 1031 uno.
Come capire se un numero è palindromo?
Un numero è palindromo quando le sue cifre, se scritte in una particolare base, rappresentano lo stesso valore sia che siano lette da destra che da sinistra.
What does palindrome mean in English?
- Definition of palindrome : a word, verse, or sentence (such as "Able was I ere I saw Elba") or a number (such as 1881) that reads the same backward or forward Other Words from palindrome Example Sentences Learn More About palindrome Other Words from palindrome
Is mom a palindrome?
- The logic behind palindrome is as simple as it sounds. For example, MOM if you find out the reverse of MOM, it, the result will be the same i.e. MOM. So we can say that MOM is a Palindrome. Some Examples to Identify whether they are Palindrome or not
Is “racecar” a palindrome?
- Everyone has heard of the famous palindrome example of “racecar,” which is spelled the same backward and forwards.
What is a palindromic prime?
- Palindromes aren't just a word game. They are also found in numbers and are studied in recreational mathematics. In fact, a palindromic prime is a palindromic number that is a prime number, such as 1. Palindromes are even seen in molecular biology.
