Compare 9 vs 18
Property | 9 | 18 |
---|---|---|
Type | semiprime | composite number |
Unique factors | 1 | 2 |
Total factors | 2 | 3 |
Prime factorization | 32 | 21 × 32 |
Prime factorization | 3 × 3 | 2 × 3 × 3 |
Divisors count | 3 | 6 |
Divisors | 1, 3, 9 | 1, 2, 3, 6, 9, 18 |
Number of properties | 1 | 0 |
Semiprimes | 3rd | |
Roman numberals | IX | XVIII |
Base 2 | 10012 | 100102 |
Base 3 | 1003 | 2003 |
Base 4 | 214 | 1024 |
Base 5 | 145 | 335 |
Base 6 | 136 | 306 |
Base 7 | 127 | 247 |
Base 8 | 118 | 228 |
Base 9 | 109 | 209 |
Base 10 | 910 | 1810 |
Base 11 | 911 | 1711 |
Base 12 | 912 | 1612 |
Base 13 | 913 | 1513 |
Base 14 | 914 | 1414 |
Base 15 | 915 | 1315 |
Base 16 | 916 | 1216 |