Compare 1405 vs 1406
| Property | 1405 | 1406 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 2811 | 21 × 191 × 371 |
| Prime factorization | 5 × 281 | 2 × 19 × 37 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 281, 1405 | 1, 2, 19, 37, 38, 74, 703, 1406 |
| Number of properties | 1 | 0 |
| Semiprimes | 418th | |
| Roman numberals | MCDV | MCDVI |
| Base 2 | 101011111012 | 101011111102 |
| Base 3 | 12210013 | 12210023 |
| Base 4 | 1113314 | 1113324 |
| Base 5 | 211105 | 211115 |
| Base 6 | 103016 | 103026 |
| Base 7 | 40457 | 40467 |
| Base 8 | 25758 | 25768 |
| Base 9 | 18319 | 18329 |
| Base 10 | 140510 | 140610 |
| Base 11 | 106811 | 106911 |
| Base 12 | 99112 | 99212 |
| Base 13 | 84113 | 84213 |
| Base 14 | 72514 | 72614 |
| Base 15 | 63a15 | 63b15 |
| Base 16 | 57d16 | 57e16 |