Compare 405 vs 406
| Property | 405 | 406 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 34 × 51 | 21 × 71 × 291 |
| Prime factorization | 3 × 3 × 3 × 3 × 5 | 2 × 7 × 29 |
| Divisors count | 10 | 8 |
| Divisors | 1, 3, 5, 9, 15, 27, 45, 81, 135, 405 | 1, 2, 7, 14, 29, 58, 203, 406 |
| Number of properties | 0 | 0 |
| Roman numberals | CDV | CDVI |
| Base 2 | 1100101012 | 1100101102 |
| Base 3 | 1200003 | 1200013 |
| Base 4 | 121114 | 121124 |
| Base 5 | 31105 | 31115 |
| Base 6 | 15136 | 15146 |
| Base 7 | 11167 | 11207 |
| Base 8 | 6258 | 6268 |
| Base 9 | 5009 | 5019 |
| Base 10 | 40510 | 40610 |
| Base 11 | 33911 | 33a11 |
| Base 12 | 29912 | 29a12 |
| Base 13 | 25213 | 25313 |
| Base 14 | 20d14 | 21014 |
| Base 15 | 1c015 | 1c115 |
| Base 16 | 19516 | 19616 |