Compare 128 vs 138
| Property | 128 | 138 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 1 | 3 |
| Total factors | 7 | 3 |
| Prime factorization | 27 | 21 × 31 × 231 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 | 2 × 3 × 23 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 4, 8, 16, 32, 64, 128 | 1, 2, 3, 6, 23, 46, 69, 138 |
| Number of properties | 0 | 0 |
| Roman numberals | CXXVIII | CXXXVIII |
| Base 2 | 100000002 | 100010102 |
| Base 3 | 112023 | 120103 |
| Base 4 | 20004 | 20224 |
| Base 5 | 10035 | 10235 |
| Base 6 | 3326 | 3506 |
| Base 7 | 2427 | 2557 |
| Base 8 | 2008 | 2128 |
| Base 9 | 1529 | 1639 |
| Base 10 | 12810 | 13810 |
| Base 11 | 10711 | 11611 |
| Base 12 | a812 | b612 |
| Base 13 | 9b13 | a813 |
| Base 14 | 9214 | 9c14 |
| Base 15 | 8815 | 9315 |
| Base 16 | 8016 | 8a16 |