Compare 1388 vs 1389
| Property | 1388 | 1389 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 22 × 3471 | 31 × 4631 |
| Prime factorization | 2 × 2 × 347 | 3 × 463 |
| Divisors count | 6 | 4 |
| Divisors | 1, 2, 4, 347, 694, 1388 | 1, 3, 463, 1389 |
| Number of properties | 0 | 1 |
| Semiprimes | 411th | |
| Roman numberals | MCCCLXXXVIII | MCCCLXXXIX |
| Base 2 | 101011011002 | 101011011012 |
| Base 3 | 12201023 | 12201103 |
| Base 4 | 1112304 | 1112314 |
| Base 5 | 210235 | 210245 |
| Base 6 | 102326 | 102336 |
| Base 7 | 40227 | 40237 |
| Base 8 | 25548 | 25558 |
| Base 9 | 18129 | 18139 |
| Base 10 | 138810 | 138910 |
| Base 11 | 105211 | 105311 |
| Base 12 | 97812 | 97912 |
| Base 13 | 82a13 | 82b13 |
| Base 14 | 71214 | 71314 |
| Base 15 | 62815 | 62915 |
| Base 16 | 56c16 | 56d16 |