Compare 920 vs 921
| Property | 920 | 921 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 231 | 31 × 3071 |
| Prime factorization | 2 × 2 × 2 × 5 × 23 | 3 × 307 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920 | 1, 3, 307, 921 |
| Number of properties | 0 | 1 |
| Semiprimes | 276th | |
| Roman numberals | CMXX | CMXXI |
| Base 2 | 11100110002 | 11100110012 |
| Base 3 | 10210023 | 10210103 |
| Base 4 | 321204 | 321214 |
| Base 5 | 121405 | 121415 |
| Base 6 | 41326 | 41336 |
| Base 7 | 24537 | 24547 |
| Base 8 | 16308 | 16318 |
| Base 9 | 12329 | 12339 |
| Base 10 | 92010 | 92110 |
| Base 11 | 76711 | 76811 |
| Base 12 | 64812 | 64912 |
| Base 13 | 55a13 | 55b13 |
| Base 14 | 49a14 | 49b14 |
| Base 15 | 41515 | 41615 |
| Base 16 | 39816 | 39916 |