Compare 2028 vs 2031
| Property | 2028 | 2031 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 31 × 132 | 31 × 6771 |
| Prime factorization | 2 × 2 × 3 × 13 × 13 | 3 × 677 |
| Divisors count | 18 | 4 |
| Divisors | 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028 | 1, 3, 677, 2031 |
| Number of properties | 0 | 1 |
| Semiprimes | 583rd | |
| Roman numberals | MMXXVIII | MMXXXI |
| Base 2 | 111111011002 | 111111011112 |
| Base 3 | 22100103 | 22100203 |
| Base 4 | 1332304 | 1332334 |
| Base 5 | 311035 | 311115 |
| Base 6 | 132206 | 132236 |
| Base 7 | 56257 | 56317 |
| Base 8 | 37548 | 37578 |
| Base 9 | 27039 | 27069 |
| Base 10 | 202810 | 203110 |
| Base 11 | 158411 | 158711 |
| Base 12 | 121012 | 121312 |
| Base 13 | c0013 | c0313 |
| Base 14 | a4c14 | a5114 |
| Base 15 | 90315 | 90615 |
| Base 16 | 7ec16 | 7ef16 |