Compare 2999 vs 3947
| Property | 2999 | 3947 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 29991 | 39471 |
| Prime factorization | 2999 | 3947 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2999 | 1, 3947 |
| Number of properties | 6 | 8 |
| Additive primes | 222nd | 280th |
| Chen primes | 257th | 319th |
| Cousin primes (2nd member) | 108th | |
| Good primes | 80th | |
| Isolated primes | 343rd | |
| Left-truncatable primes | 87th | |
| Primes | 430th | 548th |
| Restricted left-truncatable primes | 5th | |
| Safe primes | 50th | 60th |
| Twin primes (1st member) | 82nd | |
| Roman numberals | MMCMXCIX | MMMCMXLVII |
| Base 2 | 1011101101112 | 1111011010112 |
| Base 3 | 110100023 | 121020123 |
| Base 4 | 2323134 | 3312234 |
| Base 5 | 434445 | 1112425 |
| Base 6 | 215156 | 301356 |
| Base 7 | 115137 | 143367 |
| Base 8 | 56678 | 75538 |
| Base 9 | 41029 | 53659 |
| Base 10 | 299910 | 394710 |
| Base 11 | 228711 | 2a6911 |
| Base 12 | 189b12 | 234b12 |
| Base 13 | 149913 | 1a4813 |
| Base 14 | 114314 | 161d14 |
| Base 15 | d4e15 | 128215 |
| Base 16 | bb716 | f6b16 |