Compare 122 vs 128
| Property | 122 | 128 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 1 |
| Total factors | 2 | 7 |
| Prime factorization | 21 × 611 | 27 |
| Prime factorization | 2 × 61 | 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| Divisors count | 4 | 8 |
| Divisors | 1, 2, 61, 122 | 1, 2, 4, 8, 16, 32, 64, 128 |
| Number of properties | 1 | 0 |
| Semiprimes | 41st | |
| Roman numberals | CXXII | CXXVIII |
| Base 2 | 11110102 | 100000002 |
| Base 3 | 111123 | 112023 |
| Base 4 | 13224 | 20004 |
| Base 5 | 4425 | 10035 |
| Base 6 | 3226 | 3326 |
| Base 7 | 2337 | 2427 |
| Base 8 | 1728 | 2008 |
| Base 9 | 1459 | 1529 |
| Base 10 | 12210 | 12810 |
| Base 11 | 10111 | 10711 |
| Base 12 | a212 | a812 |
| Base 13 | 9513 | 9b13 |
| Base 14 | 8a14 | 9214 |
| Base 15 | 8215 | 8815 |
| Base 16 | 7a16 | 8016 |