Compare 2728 vs 2731
| Property | 2728 | 2731 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 23 × 111 × 311 | 27311 |
| Prime factorization | 2 × 2 × 2 × 11 × 31 | 2731 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728 | 1, 2731 |
| Number of properties | 0 | 6 |
| Additive primes | 209th | |
| Chen primes | 239th | |
| Long primes | 159th | |
| Primes | 399th | |
| Twin primes (2nd member) | 78th | |
| Wagstaff primes | 5th | |
| Roman numberals | MMDCCXXVIII | MMDCCXXXI |
| Base 2 | 1010101010002 | 1010101010112 |
| Base 3 | 102020013 | 102020113 |
| Base 4 | 2222204 | 2222234 |
| Base 5 | 414035 | 414115 |
| Base 6 | 203446 | 203516 |
| Base 7 | 106457 | 106517 |
| Base 8 | 52508 | 52538 |
| Base 9 | 36619 | 36649 |
| Base 10 | 272810 | 273110 |
| Base 11 | 206011 | 206311 |
| Base 12 | 16b412 | 16b712 |
| Base 13 | 131b13 | 132113 |
| Base 14 | dcc14 | dd114 |
| Base 15 | c1d15 | c2115 |
| Base 16 | aa816 | aab16 |