Compare 9 vs 55
| Property | 9 | 55 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 32 | 51 × 111 |
| Prime factorization | 3 × 3 | 5 × 11 |
| Divisors count | 3 | 4 |
| Divisors | 1, 3, 9 | 1, 5, 11, 55 |
| Number of properties | 1 | 1 |
| Semiprimes | 3rd | 19th |
| Roman numberals | IX | LV |
| Base 2 | 10012 | 1101112 |
| Base 3 | 1003 | 20013 |
| Base 4 | 214 | 3134 |
| Base 5 | 145 | 2105 |
| Base 6 | 136 | 1316 |
| Base 7 | 127 | 1067 |
| Base 8 | 118 | 678 |
| Base 9 | 109 | 619 |
| Base 10 | 910 | 5510 |
| Base 11 | 911 | 5011 |
| Base 12 | 912 | 4712 |
| Base 13 | 913 | 4313 |
| Base 14 | 914 | 3d14 |
| Base 15 | 915 | 3a15 |
| Base 16 | 916 | 3716 |