Compare 387 vs 393
| Property | 387 | 393 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 431 | 31 × 1311 |
| Prime factorization | 3 × 3 × 43 | 3 × 131 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 43, 129, 387 | 1, 3, 131, 393 |
| Number of properties | 0 | 1 |
| Semiprimes | 123rd | |
| Roman numberals | CCCLXXXVII | CCCXCIII |
| Base 2 | 1100000112 | 1100010012 |
| Base 3 | 1121003 | 1121203 |
| Base 4 | 120034 | 120214 |
| Base 5 | 30225 | 30335 |
| Base 6 | 14436 | 14536 |
| Base 7 | 10627 | 11017 |
| Base 8 | 6038 | 6118 |
| Base 9 | 4709 | 4769 |
| Base 10 | 38710 | 39310 |
| Base 11 | 32211 | 32811 |
| Base 12 | 28312 | 28912 |
| Base 13 | 23a13 | 24313 |
| Base 14 | 1d914 | 20114 |
| Base 15 | 1ac15 | 1b315 |
| Base 16 | 18316 | 18916 |