Compare 241 vs 249
| Property | 241 | 249 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2411 | 31 × 831 |
| Prime factorization | 241 | 3 × 83 |
| Divisors count | 2 | 4 |
| Divisors | 1, 241 | 1, 3, 83, 249 |
| Number of properties | 10 | 1 |
| Additive primes | 31st | |
| Harmonic primes | 19th | |
| Lucky primes | 16th | |
| Primes | 53rd | |
| Proth primes | 9th | |
| Pythagorean primes | 24th | |
| Semiprimes | 80th | |
| Solinas primes | 29th | |
| Super primes | 16th | |
| Twin primes (2nd member) | 17th | |
| Ulam primes | 10th | |
| Roman numberals | CCXLI | CCXLIX |
| Base 2 | 111100012 | 111110012 |
| Base 3 | 222213 | 1000203 |
| Base 4 | 33014 | 33214 |
| Base 5 | 14315 | 14445 |
| Base 6 | 10416 | 10536 |
| Base 7 | 4637 | 5047 |
| Base 8 | 3618 | 3718 |
| Base 9 | 2879 | 3069 |
| Base 10 | 24110 | 24910 |
| Base 11 | 1aa11 | 20711 |
| Base 12 | 18112 | 18912 |
| Base 13 | 15713 | 16213 |
| Base 14 | 13314 | 13b14 |
| Base 15 | 11115 | 11915 |
| Base 16 | f116 | f916 |