Compare 241 vs 247
| Property | 241 | 247 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2411 | 131 × 191 |
| Prime factorization | 241 | 13 × 19 |
| Divisors count | 2 | 4 |
| Divisors | 1, 241 | 1, 13, 19, 247 |
| Number of properties | 10 | 1 |
| Additive primes | 31st | |
| Harmonic primes | 19th | |
| Lucky primes | 16th | |
| Primes | 53rd | |
| Proth primes | 9th | |
| Pythagorean primes | 24th | |
| Semiprimes | 79th | |
| Solinas primes | 29th | |
| Super primes | 16th | |
| Twin primes (2nd member) | 17th | |
| Ulam primes | 10th | |
| Roman numberals | CCXLI | CCXLVII |
| Base 2 | 111100012 | 111101112 |
| Base 3 | 222213 | 1000113 |
| Base 4 | 33014 | 33134 |
| Base 5 | 14315 | 14425 |
| Base 6 | 10416 | 10516 |
| Base 7 | 4637 | 5027 |
| Base 8 | 3618 | 3678 |
| Base 9 | 2879 | 3049 |
| Base 10 | 24110 | 24710 |
| Base 11 | 1aa11 | 20511 |
| Base 12 | 18112 | 18712 |
| Base 13 | 15713 | 16013 |
| Base 14 | 13314 | 13914 |
| Base 15 | 11115 | 11715 |
| Base 16 | f116 | f716 |