Compare 241 vs 521
| Property | 241 | 521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2411 | 5211 |
| Prime factorization | 241 | 521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 241 | 1, 521 |
| Number of properties | 10 | 6 |
| Additive primes | 31st | |
| Chen primes | 70th | |
| Harmonic primes | 19th | |
| Lucas primes | 8th | |
| Lucky primes | 16th | |
| Primes | 53rd | 98th |
| Proth primes | 9th | |
| Pythagorean primes | 24th | 46th |
| Solinas primes | 29th | 39th |
| Super primes | 16th | |
| Twin primes (1st member) | 25th | |
| Twin primes (2nd member) | 17th | |
| Ulam primes | 10th | |
| Roman numberals | CCXLI | DXXI |
| Base 2 | 111100012 | 10000010012 |
| Base 3 | 222213 | 2010223 |
| Base 4 | 33014 | 200214 |
| Base 5 | 14315 | 40415 |
| Base 6 | 10416 | 22256 |
| Base 7 | 4637 | 13437 |
| Base 8 | 3618 | 10118 |
| Base 9 | 2879 | 6389 |
| Base 10 | 24110 | 52110 |
| Base 11 | 1aa11 | 43411 |
| Base 12 | 18112 | 37512 |
| Base 13 | 15713 | 31113 |
| Base 14 | 13314 | 29314 |
| Base 15 | 11115 | 24b15 |
| Base 16 | f116 | 20916 |