Compare 1405 vs 1408
| Property | 1405 | 1408 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 8 |
| Prime factorization | 51 × 2811 | 27 × 111 |
| Prime factorization | 5 × 281 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 |
| Divisors count | 4 | 16 |
| Divisors | 1, 5, 281, 1405 | 1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408 |
| Number of properties | 1 | 0 |
| Semiprimes | 418th | |
| Roman numberals | MCDV | MCDVIII |
| Base 2 | 101011111012 | 101100000002 |
| Base 3 | 12210013 | 12210113 |
| Base 4 | 1113314 | 1120004 |
| Base 5 | 211105 | 211135 |
| Base 6 | 103016 | 103046 |
| Base 7 | 40457 | 40517 |
| Base 8 | 25758 | 26008 |
| Base 9 | 18319 | 18349 |
| Base 10 | 140510 | 140810 |
| Base 11 | 106811 | 107011 |
| Base 12 | 99112 | 99412 |
| Base 13 | 84113 | 84413 |
| Base 14 | 72514 | 72814 |
| Base 15 | 63a15 | 63d15 |
| Base 16 | 57d16 | 58016 |