Compare 1405 vs 1407
| Property | 1405 | 1407 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 2811 | 31 × 71 × 671 |
| Prime factorization | 5 × 281 | 3 × 7 × 67 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 281, 1405 | 1, 3, 7, 21, 67, 201, 469, 1407 |
| Number of properties | 1 | 0 |
| Semiprimes | 418th | |
| Roman numberals | MCDV | MCDVII |
| Base 2 | 101011111012 | 101011111112 |
| Base 3 | 12210013 | 12210103 |
| Base 4 | 1113314 | 1113334 |
| Base 5 | 211105 | 211125 |
| Base 6 | 103016 | 103036 |
| Base 7 | 40457 | 40507 |
| Base 8 | 25758 | 25778 |
| Base 9 | 18319 | 18339 |
| Base 10 | 140510 | 140710 |
| Base 11 | 106811 | 106a11 |
| Base 12 | 99112 | 99312 |
| Base 13 | 84113 | 84313 |
| Base 14 | 72514 | 72714 |
| Base 15 | 63a15 | 63c15 |
| Base 16 | 57d16 | 57f16 |