Compare 1389 vs 1400
| Property | 1389 | 1400 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 31 × 4631 | 23 × 52 × 71 |
| Prime factorization | 3 × 463 | 2 × 2 × 2 × 5 × 5 × 7 |
| Divisors count | 4 | 24 |
| Divisors | 1, 3, 463, 1389 | 1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400 |
| Number of properties | 1 | 0 |
| Semiprimes | 411th | |
| Roman numberals | MCCCLXXXIX | MCD |
| Base 2 | 101011011012 | 101011110002 |
| Base 3 | 12201103 | 12202123 |
| Base 4 | 1112314 | 1113204 |
| Base 5 | 210245 | 211005 |
| Base 6 | 102336 | 102526 |
| Base 7 | 40237 | 40407 |
| Base 8 | 25558 | 25708 |
| Base 9 | 18139 | 18259 |
| Base 10 | 138910 | 140010 |
| Base 11 | 105311 | 106311 |
| Base 12 | 97912 | 98812 |
| Base 13 | 82b13 | 83913 |
| Base 14 | 71314 | 72014 |
| Base 15 | 62915 | 63515 |
| Base 16 | 56d16 | 57816 |