Compare 8 vs 9
| Property | 8 | 9 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 1 | 1 |
| Total factors | 3 | 2 |
| Prime factorization | 23 | 32 |
| Prime factorization | 2 × 2 × 2 | 3 × 3 |
| Divisors count | 4 | 3 |
| Divisors | 1, 2, 4, 8 | 1, 3, 9 |
| Number of properties | 0 | 1 |
| Semiprimes | 3rd | |
| Roman numberals | VIII | IX |
| Base 2 | 10002 | 10012 |
| Base 3 | 223 | 1003 |
| Base 4 | 204 | 214 |
| Base 5 | 135 | 145 |
| Base 6 | 126 | 136 |
| Base 7 | 117 | 127 |
| Base 8 | 108 | 118 |
| Base 9 | 89 | 109 |
| Base 10 | 810 | 910 |
| Base 11 | 811 | 911 |
| Base 12 | 812 | 912 |
| Base 13 | 813 | 913 |
| Base 14 | 814 | 914 |
| Base 15 | 815 | 915 |
| Base 16 | 816 | 916 |