Compare 391 vs 396
| Property | 391 | 396 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 171 × 231 | 22 × 32 × 111 |
| Prime factorization | 17 × 23 | 2 × 2 × 3 × 3 × 11 |
| Divisors count | 4 | 18 |
| Divisors | 1, 17, 23, 391 | 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396 |
| Number of properties | 1 | 0 |
| Semiprimes | 122nd | |
| Roman numberals | CCCXCI | CCCXCVI |
| Base 2 | 1100001112 | 1100011002 |
| Base 3 | 1121113 | 1122003 |
| Base 4 | 120134 | 120304 |
| Base 5 | 30315 | 30415 |
| Base 6 | 14516 | 15006 |
| Base 7 | 10667 | 11047 |
| Base 8 | 6078 | 6148 |
| Base 9 | 4749 | 4809 |
| Base 10 | 39110 | 39610 |
| Base 11 | 32611 | 33011 |
| Base 12 | 28712 | 29012 |
| Base 13 | 24113 | 24613 |
| Base 14 | 1dd14 | 20414 |
| Base 15 | 1b115 | 1b615 |
| Base 16 | 18716 | 18c16 |