Compare 1366 vs 1385
| Property | 1366 | 1385 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 6831 | 51 × 2771 |
| Prime factorization | 2 × 683 | 5 × 277 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 683, 1366 | 1, 5, 277, 1385 |
| Number of properties | 1 | 1 |
| Semiprimes | 403rd | 409th |
| Roman numberals | MCCCLXVI | MCCCLXXXV |
| Base 2 | 101010101102 | 101011010012 |
| Base 3 | 12121213 | 12200223 |
| Base 4 | 1111124 | 1112214 |
| Base 5 | 204315 | 210205 |
| Base 6 | 101546 | 102256 |
| Base 7 | 36617 | 40167 |
| Base 8 | 25268 | 25518 |
| Base 9 | 17779 | 18089 |
| Base 10 | 136610 | 138510 |
| Base 11 | 103211 | 104a11 |
| Base 12 | 95a12 | 97512 |
| Base 13 | 81113 | 82713 |
| Base 14 | 6d814 | 70d14 |
| Base 15 | 61115 | 62515 |
| Base 16 | 55616 | 56916 |