Compare 2991 vs 2999
Property | 2991 | 2999 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 31 × 9971 | 29991 |
Prime factorization | 3 × 997 | 2999 |
Divisors count | 4 | 2 |
Divisors | 1, 3, 997, 2991 | 1, 2999 |
Number of properties | 1 | 6 |
Additive primes | 222nd | |
Chen primes | 257th | |
Good primes | 80th | |
Primes | 430th | |
Safe primes | 50th | |
Semiprimes | 838th | |
Twin primes (1st member) | 82nd | |
Roman numberals | MMCMXCI | MMCMXCIX |
Base 2 | 1011101011112 | 1011101101112 |
Base 3 | 110022103 | 110100023 |
Base 4 | 2322334 | 2323134 |
Base 5 | 434315 | 434445 |
Base 6 | 215036 | 215156 |
Base 7 | 115027 | 115137 |
Base 8 | 56578 | 56678 |
Base 9 | 40839 | 41029 |
Base 10 | 299110 | 299910 |
Base 11 | 227a11 | 228711 |
Base 12 | 189312 | 189b12 |
Base 13 | 149113 | 149913 |
Base 14 | 113914 | 114314 |
Base 15 | d4615 | d4e15 |
Base 16 | baf16 | bb716 |