Compare 989980 vs 989987
| Property | 989980 | 989987 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 494991 | 531 × 186791 |
| Prime factorization | 2 × 2 × 5 × 49499 | 53 × 18679 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 49499, 98998, 197996, 247495, 494990, 989980 | 1, 53, 18679, 989987 |
| Number of properties | 0 | 1 |
| Semiprimes | 208028th | |
| Roman numberals | ||
| Base 2 | 111100011011000111002 | 111100011011001000112 |
| Base 3 | 12120212222213 | 12120220000123 |
| Base 4 | 33012301304 | 33012302034 |
| Base 5 | 2231344105 | 2231344225 |
| Base 6 | 331151246 | 331151356 |
| Base 7 | 112621457 | 112621557 |
| Base 8 | 36154348 | 36154438 |
| Base 9 | 17678879 | 17680059 |
| Base 10 | 98998010 | 98998710 |
| Base 11 | 61687211 | 61687911 |
| Base 12 | 3b8aa412 | 3b8aab12 |
| Base 13 | 2887b413 | 2887bb13 |
| Base 14 | 1baacc14 | 1baad514 |
| Base 15 | 1484da15 | 1484e215 |
| Base 16 | f1b1c16 | f1b2316 |