Compare 399 vs 405
| Property | 399 | 405 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 5 |
| Prime factorization | 31 × 71 × 191 | 34 × 51 |
| Prime factorization | 3 × 7 × 19 | 3 × 3 × 3 × 3 × 5 |
| Divisors count | 8 | 10 |
| Divisors | 1, 3, 7, 19, 21, 57, 133, 399 | 1, 3, 5, 9, 15, 27, 45, 81, 135, 405 |
| Number of properties | 0 | 0 |
| Roman numberals | CCCXCIX | CDV |
| Base 2 | 1100011112 | 1100101012 |
| Base 3 | 1122103 | 1200003 |
| Base 4 | 120334 | 121114 |
| Base 5 | 30445 | 31105 |
| Base 6 | 15036 | 15136 |
| Base 7 | 11107 | 11167 |
| Base 8 | 6178 | 6258 |
| Base 9 | 4839 | 5009 |
| Base 10 | 39910 | 40510 |
| Base 11 | 33311 | 33911 |
| Base 12 | 29312 | 29912 |
| Base 13 | 24913 | 25213 |
| Base 14 | 20714 | 20d14 |
| Base 15 | 1b915 | 1c015 |
| Base 16 | 18f16 | 19516 |