Compare 3881 vs 3947
| Property | 3881 | 3947 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 38811 | 39471 |
| Prime factorization | 3881 | 3947 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3881 | 1, 3947 |
| Number of properties | 5 | 8 |
| Additive primes | 280th | |
| Chen primes | 313th | 319th |
| Cousin primes (2nd member) | 105th | 108th |
| Isolated primes | 337th | 343rd |
| Left-truncatable primes | 87th | |
| Primes | 538th | 548th |
| Pythagorean primes | 265th | |
| Restricted left-truncatable primes | 5th | |
| Safe primes | 60th | |
| Roman numberals | MMMDCCCLXXXI | MMMCMXLVII |
| Base 2 | 1111001010012 | 1111011010112 |
| Base 3 | 120222023 | 121020123 |
| Base 4 | 3302214 | 3312234 |
| Base 5 | 1110115 | 1112425 |
| Base 6 | 255456 | 301356 |
| Base 7 | 142137 | 143367 |
| Base 8 | 74518 | 75538 |
| Base 9 | 52829 | 53659 |
| Base 10 | 388110 | 394710 |
| Base 11 | 2a0911 | 2a6911 |
| Base 12 | 22b512 | 234b12 |
| Base 13 | 19c713 | 1a4813 |
| Base 14 | 15b314 | 161d14 |
| Base 15 | 123b15 | 128215 |
| Base 16 | f2916 | f6b16 |