Compare 9989 vs 9999
| Property | 9989 | 9999 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 71 × 14271 | 32 × 111 × 1011 |
| Prime factorization | 7 × 1427 | 3 × 3 × 11 × 101 |
| Divisors count | 4 | 12 |
| Divisors | 1, 7, 1427, 9989 | 1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999 |
| Number of properties | 1 | 0 |
| Semiprimes | 2620th | |
| Roman numberals | ||
| Base 2 | 100111000001012 | 100111000011112 |
| Base 3 | 1112002223 | 1112011003 |
| Base 4 | 21300114 | 21300334 |
| Base 5 | 3044245 | 3044445 |
| Base 6 | 1141256 | 1141436 |
| Base 7 | 410607 | 411037 |
| Base 8 | 234058 | 234178 |
| Base 9 | 146289 | 146409 |
| Base 10 | 998910 | 999910 |
| Base 11 | 756111 | 757011 |
| Base 12 | 594512 | 595312 |
| Base 13 | 471513 | 472213 |
| Base 14 | 38d714 | 390314 |
| Base 15 | 2e5e15 | 2e6915 |
| Base 16 | 270516 | 270f16 |