Compare 2881 vs 2887
| Property | 2881 | 2887 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 431 × 671 | 28871 |
| Prime factorization | 43 × 67 | 2887 |
| Divisors count | 4 | 2 |
| Divisors | 1, 43, 67, 2881 | 1, 2887 |
| Number of properties | 1 | 4 |
| Isolated primes | 259th | |
| Long primes | 169th | |
| Lucky primes | 88th | |
| Primes | 418th | |
| Semiprimes | 804th | |
| Roman numberals | MMDCCCLXXXI | MMDCCCLXXXVII |
| Base 2 | 1011010000012 | 1011010001112 |
| Base 3 | 102212013 | 102212213 |
| Base 4 | 2310014 | 2310134 |
| Base 5 | 430115 | 430225 |
| Base 6 | 212016 | 212116 |
| Base 7 | 112547 | 112637 |
| Base 8 | 55018 | 55078 |
| Base 9 | 38519 | 38579 |
| Base 10 | 288110 | 288710 |
| Base 11 | 218a11 | 219511 |
| Base 12 | 180112 | 180712 |
| Base 13 | 140813 | 141113 |
| Base 14 | 109b14 | 10a314 |
| Base 15 | cc115 | cc715 |
| Base 16 | b4116 | b4716 |