Compare 2016 vs 2021
| Property | 2016 | 2021 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 25 × 32 × 71 | 431 × 471 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 | 43 × 47 |
| Divisors count | 36 | 4 |
| Divisors | 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016 | 1, 43, 47, 2021 |
| Number of properties | 0 | 1 |
| Semiprimes | 581st | |
| Roman numberals | MMXVI | MMXXI |
| Base 2 | 111111000002 | 111111001012 |
| Base 3 | 22022003 | 22022123 |
| Base 4 | 1332004 | 1332114 |
| Base 5 | 310315 | 310415 |
| Base 6 | 132006 | 132056 |
| Base 7 | 56107 | 56157 |
| Base 8 | 37408 | 37458 |
| Base 9 | 26809 | 26859 |
| Base 10 | 201610 | 202110 |
| Base 11 | 157311 | 157811 |
| Base 12 | 120012 | 120512 |
| Base 13 | bc113 | bc613 |
| Base 14 | a4014 | a4514 |
| Base 15 | 8e615 | 8eb15 |
| Base 16 | 7e016 | 7e516 |