Compare 3947 vs 4049
| Property | 3947 | 4049 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 39471 | 40491 |
| Prime factorization | 3947 | 4049 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3947 | 1, 4049 |
| Number of properties | 8 | 5 |
| Additive primes | 280th | 287th |
| Chen primes | 319th | 324th |
| Cousin primes (2nd member) | 108th | |
| Isolated primes | 343rd | |
| Left-truncatable primes | 87th | |
| Primes | 548th | 558th |
| Pythagorean primes | 273rd | |
| Restricted left-truncatable primes | 5th | |
| Safe primes | 60th | |
| Twin primes (1st member) | 106th | |
| Roman numberals | MMMCMXLVII | MMMMXLIX |
| Base 2 | 1111011010112 | 1111110100012 |
| Base 3 | 121020123 | 121122223 |
| Base 4 | 3312234 | 3331014 |
| Base 5 | 1112425 | 1121445 |
| Base 6 | 301356 | 304256 |
| Base 7 | 143367 | 145437 |
| Base 8 | 75538 | 77218 |
| Base 9 | 53659 | 54889 |
| Base 10 | 394710 | 404910 |
| Base 11 | 2a6911 | 305111 |
| Base 12 | 234b12 | 241512 |
| Base 13 | 1a4813 | 1ac613 |
| Base 14 | 161d14 | 169314 |
| Base 15 | 128215 | 12ee15 |
| Base 16 | f6b16 | fd116 |