Compare 30 vs 38
| Property | 30 | 38 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 31 × 51 | 21 × 191 |
| Prime factorization | 2 × 3 × 5 | 2 × 19 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 3, 5, 6, 10, 15, 30 | 1, 2, 19, 38 |
| Number of properties | 0 | 1 |
| Semiprimes | 14th | |
| Roman numberals | XXX | XXXVIII |
| Base 2 | 111102 | 1001102 |
| Base 3 | 10103 | 11023 |
| Base 4 | 1324 | 2124 |
| Base 5 | 1105 | 1235 |
| Base 6 | 506 | 1026 |
| Base 7 | 427 | 537 |
| Base 8 | 368 | 468 |
| Base 9 | 339 | 429 |
| Base 10 | 3010 | 3810 |
| Base 11 | 2811 | 3511 |
| Base 12 | 2612 | 3212 |
| Base 13 | 2413 | 2c13 |
| Base 14 | 2214 | 2a14 |
| Base 15 | 2015 | 2815 |
| Base 16 | 1e16 | 2616 |