Compare 2990 vs 2999
| Property | 2990 | 2999 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 51 × 131 × 231 | 29991 |
| Prime factorization | 2 × 5 × 13 × 23 | 2999 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990 | 1, 2999 |
| Number of properties | 0 | 6 |
| Additive primes | 222nd | |
| Chen primes | 257th | |
| Good primes | 80th | |
| Primes | 430th | |
| Safe primes | 50th | |
| Twin primes (1st member) | 82nd | |
| Roman numberals | MMCMXC | MMCMXCIX |
| Base 2 | 1011101011102 | 1011101101112 |
| Base 3 | 110022023 | 110100023 |
| Base 4 | 2322324 | 2323134 |
| Base 5 | 434305 | 434445 |
| Base 6 | 215026 | 215156 |
| Base 7 | 115017 | 115137 |
| Base 8 | 56568 | 56678 |
| Base 9 | 40829 | 41029 |
| Base 10 | 299010 | 299910 |
| Base 11 | 227911 | 228711 |
| Base 12 | 189212 | 189b12 |
| Base 13 | 149013 | 149913 |
| Base 14 | 113814 | 114314 |
| Base 15 | d4515 | d4e15 |
| Base 16 | bae16 | bb716 |