Compare 41 vs 51
| Property | 41 | 51 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 411 | 31 × 171 |
| Prime factorization | 41 | 3 × 17 |
| Divisors count | 2 | 4 |
| Divisors | 1, 41 | 1, 3, 17, 51 |
| Number of properties | 18 | 1 |
| Additive primes | 8th | |
| Centered square primes | 3rd | |
| Chen primes | 13th | |
| Cousin primes (2nd member) | 5th | |
| Good primes | 6th | |
| Harmonic primes | 5th | |
| Primes | 13th | |
| Prime triplets (1st member) | 7th | |
| Prime triplets (2nd member) | 6th | |
| Proth primes | 5th | |
| Pythagorean primes | 6th | |
| Semiprimes | 18th | |
| Sexy primes (1st member) | 9th | |
| Sexy prime quadrupletss (1st member) | 3rd | |
| Sexy prime triplets (1st member) | 6th | |
| Solinas primes | 12th | |
| Sophie germain primes | 7th | |
| Super primes | 6th | |
| Twin primes (1st member) | 6th | |
| Roman numberals | XLI | LI |
| Base 2 | 1010012 | 1100112 |
| Base 3 | 11123 | 12203 |
| Base 4 | 2214 | 3034 |
| Base 5 | 1315 | 2015 |
| Base 6 | 1056 | 1236 |
| Base 7 | 567 | 1027 |
| Base 8 | 518 | 638 |
| Base 9 | 459 | 569 |
| Base 10 | 4110 | 5110 |
| Base 11 | 3811 | 4711 |
| Base 12 | 3512 | 4312 |
| Base 13 | 3213 | 3c13 |
| Base 14 | 2d14 | 3914 |
| Base 15 | 2b15 | 3615 |
| Base 16 | 2916 | 3316 |