Compare 384 vs 391
| Property | 384 | 391 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 27 × 31 | 171 × 231 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 | 17 × 23 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384 | 1, 17, 23, 391 |
| Number of properties | 0 | 1 |
| Semiprimes | 122nd | |
| Roman numberals | CCCLXXXIV | CCCXCI |
| Base 2 | 1100000002 | 1100001112 |
| Base 3 | 1120203 | 1121113 |
| Base 4 | 120004 | 120134 |
| Base 5 | 30145 | 30315 |
| Base 6 | 14406 | 14516 |
| Base 7 | 10567 | 10667 |
| Base 8 | 6008 | 6078 |
| Base 9 | 4669 | 4749 |
| Base 10 | 38410 | 39110 |
| Base 11 | 31a11 | 32611 |
| Base 12 | 28012 | 28712 |
| Base 13 | 23713 | 24113 |
| Base 14 | 1d614 | 1dd14 |
| Base 15 | 1a915 | 1b115 |
| Base 16 | 18016 | 18716 |