Compare 38 vs 42
| Property | 38 | 42 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 21 × 191 | 21 × 31 × 71 |
| Prime factorization | 2 × 19 | 2 × 3 × 7 |
| Divisors count | 4 | 8 |
| Divisors | 1, 2, 19, 38 | 1, 2, 3, 6, 7, 14, 21, 42 |
| Number of properties | 1 | 0 |
| Semiprimes | 14th | |
| Roman numberals | XXXVIII | XLII |
| Base 2 | 1001102 | 1010102 |
| Base 3 | 11023 | 11203 |
| Base 4 | 2124 | 2224 |
| Base 5 | 1235 | 1325 |
| Base 6 | 1026 | 1106 |
| Base 7 | 537 | 607 |
| Base 8 | 468 | 528 |
| Base 9 | 429 | 469 |
| Base 10 | 3810 | 4210 |
| Base 11 | 3511 | 3911 |
| Base 12 | 3212 | 3612 |
| Base 13 | 2c13 | 3313 |
| Base 14 | 2a14 | 3014 |
| Base 15 | 2815 | 2c15 |
| Base 16 | 2616 | 2a16 |