Compare 99 vs 111
| Property | 99 | 111 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 111 | 31 × 371 |
| Prime factorization | 3 × 3 × 11 | 3 × 37 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 11, 33, 99 | 1, 3, 37, 111 |
| Number of properties | 0 | 1 |
| Semiprimes | 36th | |
| Roman numberals | XCIX | CXI |
| Base 2 | 11000112 | 11011112 |
| Base 3 | 102003 | 110103 |
| Base 4 | 12034 | 12334 |
| Base 5 | 3445 | 4215 |
| Base 6 | 2436 | 3036 |
| Base 7 | 2017 | 2167 |
| Base 8 | 1438 | 1578 |
| Base 9 | 1209 | 1339 |
| Base 10 | 9910 | 11110 |
| Base 11 | 9011 | a111 |
| Base 12 | 8312 | 9312 |
| Base 13 | 7813 | 8713 |
| Base 14 | 7114 | 7d14 |
| Base 15 | 6915 | 7615 |
| Base 16 | 6316 | 6f16 |