Compare 3881 vs 4021
| Property | 3881 | 4021 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 38811 | 40211 |
| Prime factorization | 3881 | 4021 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3881 | 1, 4021 |
| Number of properties | 5 | 6 |
| Additive primes | 285th | |
| Chen primes | 313th | |
| Cousin primes (2nd member) | 105th | |
| Harmonic primes | 199th | |
| Isolated primes | 337th | |
| Primes | 538th | 556th |
| Pythagorean primes | 265th | 272nd |
| Sexy primes (1st member) | 206th | |
| Twin primes (2nd member) | 105th | |
| Roman numberals | MMMDCCCLXXXI | MMMMXXI |
| Base 2 | 1111001010012 | 1111101101012 |
| Base 3 | 120222023 | 121112213 |
| Base 4 | 3302214 | 3323114 |
| Base 5 | 1110115 | 1120415 |
| Base 6 | 255456 | 303416 |
| Base 7 | 142137 | 145037 |
| Base 8 | 74518 | 76658 |
| Base 9 | 52829 | 54579 |
| Base 10 | 388110 | 402110 |
| Base 11 | 2a0911 | 302611 |
| Base 12 | 22b512 | 23b112 |
| Base 13 | 19c713 | 1aa413 |
| Base 14 | 15b314 | 167314 |
| Base 15 | 123b15 | 12d115 |
| Base 16 | f2916 | fb516 |