Compare 1388 vs 1390
| Property | 1388 | 1390 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 22 × 3471 | 21 × 51 × 1391 |
| Prime factorization | 2 × 2 × 347 | 2 × 5 × 139 |
| Divisors count | 6 | 8 |
| Divisors | 1, 2, 4, 347, 694, 1388 | 1, 2, 5, 10, 139, 278, 695, 1390 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCCLXXXVIII | MCCCXC |
| Base 2 | 101011011002 | 101011011102 |
| Base 3 | 12201023 | 12201113 |
| Base 4 | 1112304 | 1112324 |
| Base 5 | 210235 | 210305 |
| Base 6 | 102326 | 102346 |
| Base 7 | 40227 | 40247 |
| Base 8 | 25548 | 25568 |
| Base 9 | 18129 | 18149 |
| Base 10 | 138810 | 139010 |
| Base 11 | 105211 | 105411 |
| Base 12 | 97812 | 97a12 |
| Base 13 | 82a13 | 82c13 |
| Base 14 | 71214 | 71414 |
| Base 15 | 62815 | 62a15 |
| Base 16 | 56c16 | 56e16 |