Compare 1378 vs 1385
| Property | 1378 | 1385 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 131 × 531 | 51 × 2771 |
| Prime factorization | 2 × 13 × 53 | 5 × 277 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 13, 26, 53, 106, 689, 1378 | 1, 5, 277, 1385 |
| Number of properties | 0 | 1 |
| Semiprimes | 409th | |
| Roman numberals | MCCCLXXVIII | MCCCLXXXV |
| Base 2 | 101011000102 | 101011010012 |
| Base 3 | 12200013 | 12200223 |
| Base 4 | 1112024 | 1112214 |
| Base 5 | 210035 | 210205 |
| Base 6 | 102146 | 102256 |
| Base 7 | 40067 | 40167 |
| Base 8 | 25428 | 25518 |
| Base 9 | 18019 | 18089 |
| Base 10 | 137810 | 138510 |
| Base 11 | 104311 | 104a11 |
| Base 12 | 96a12 | 97512 |
| Base 13 | 82013 | 82713 |
| Base 14 | 70614 | 70d14 |
| Base 15 | 61d15 | 62515 |
| Base 16 | 56216 | 56916 |