241 (number)
241 is the natural number between 240 and 242. It is also a prime number.
In mathematics
- 241 is the larger of the twin primes. Twin primes are pairs of primes separated by 2.
- 241 is a regular prime and a lucky prime. Since 241 = 15 × 24 + 1, it is a Proth prime.
- 241 is a repdigit in base 15.
- 241 is the only known Lucas–Wieferich prime to =.