Compare 1366 vs 1378
| Property | 1366 | 1378 | 
|---|---|---|
| Type | semiprime | composite number | 
| Unique factors | 2 | 3 | 
| Total factors | 2 | 3 | 
| Prime factorization | 21 × 6831 | 21 × 131 × 531 | 
| Prime factorization | 2 × 683 | 2 × 13 × 53 | 
| Divisors count | 4 | 8 | 
| Divisors | 1, 2, 683, 1366 | 1, 2, 13, 26, 53, 106, 689, 1378 | 
| Number of properties | 1 | 0 | 
| Semiprimes | 403rd | |
| Roman numberals | MCCCLXVI | MCCCLXXVIII | 
| Base 2 | 101010101102 | 101011000102 | 
| Base 3 | 12121213 | 12200013 | 
| Base 4 | 1111124 | 1112024 | 
| Base 5 | 204315 | 210035 | 
| Base 6 | 101546 | 102146 | 
| Base 7 | 36617 | 40067 | 
| Base 8 | 25268 | 25428 | 
| Base 9 | 17779 | 18019 | 
| Base 10 | 136610 | 137810 | 
| Base 11 | 103211 | 104311 | 
| Base 12 | 95a12 | 96a12 | 
| Base 13 | 81113 | 82013 | 
| Base 14 | 6d814 | 70614 | 
| Base 15 | 61115 | 61d15 | 
| Base 16 | 55616 | 56216 |