Compare 205 vs 206
| Property | 205 | 206 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 411 | 21 × 1031 |
| Prime factorization | 5 × 41 | 2 × 103 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 41, 205 | 1, 2, 103, 206 |
| Number of properties | 1 | 1 |
| Semiprimes | 66th | 67th |
| Roman numberals | CCV | CCVI |
| Base 2 | 110011012 | 110011102 |
| Base 3 | 211213 | 211223 |
| Base 4 | 30314 | 30324 |
| Base 5 | 13105 | 13115 |
| Base 6 | 5416 | 5426 |
| Base 7 | 4127 | 4137 |
| Base 8 | 3158 | 3168 |
| Base 9 | 2479 | 2489 |
| Base 10 | 20510 | 20610 |
| Base 11 | 17711 | 17811 |
| Base 12 | 15112 | 15212 |
| Base 13 | 12a13 | 12b13 |
| Base 14 | 10914 | 10a14 |
| Base 15 | da15 | db15 |
| Base 16 | cd16 | ce16 |