Compare 2021 vs 2051
| Property | 2021 | 2051 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 431 × 471 | 71 × 2931 |
| Prime factorization | 43 × 47 | 7 × 293 |
| Divisors count | 4 | 4 |
| Divisors | 1, 43, 47, 2021 | 1, 7, 293, 2051 |
| Number of properties | 1 | 1 |
| Semiprimes | 581st | 591st |
| Roman numberals | MMXXI | MMLI |
| Base 2 | 111111001012 | 1000000000112 |
| Base 3 | 22022123 | 22102223 |
| Base 4 | 1332114 | 2000034 |
| Base 5 | 310415 | 312015 |
| Base 6 | 132056 | 132556 |
| Base 7 | 56157 | 56607 |
| Base 8 | 37458 | 40038 |
| Base 9 | 26859 | 27289 |
| Base 10 | 202110 | 205110 |
| Base 11 | 157811 | 15a511 |
| Base 12 | 120512 | 122b12 |
| Base 13 | bc613 | c1a13 |
| Base 14 | a4514 | a6714 |
| Base 15 | 8eb15 | 91b15 |
| Base 16 | 7e516 | 80316 |