Compare 16 vs 18
| Property | 16 | 18 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 1 | 2 |
| Total factors | 4 | 3 |
| Prime factorization | 24 | 21 × 32 |
| Prime factorization | 2 × 2 × 2 × 2 | 2 × 3 × 3 |
| Divisors count | 5 | 6 |
| Divisors | 1, 2, 4, 8, 16 | 1, 2, 3, 6, 9, 18 |
| Number of properties | 0 | 0 |
| Roman numberals | XVI | XVIII |
| Base 2 | 100002 | 100102 |
| Base 3 | 1213 | 2003 |
| Base 4 | 1004 | 1024 |
| Base 5 | 315 | 335 |
| Base 6 | 246 | 306 |
| Base 7 | 227 | 247 |
| Base 8 | 208 | 228 |
| Base 9 | 179 | 209 |
| Base 10 | 1610 | 1810 |
| Base 11 | 1511 | 1711 |
| Base 12 | 1412 | 1612 |
| Base 13 | 1313 | 1513 |
| Base 14 | 1214 | 1414 |
| Base 15 | 1115 | 1315 |
| Base 16 | 1016 | 1216 |