Compare 18 vs 42
Property | 18 | 42 |
---|---|---|
Type | composite number | composite number |
Unique factors | 2 | 3 |
Total factors | 3 | 3 |
Prime factorization | 21 × 32 | 21 × 31 × 71 |
Prime factorization | 2 × 3 × 3 | 2 × 3 × 7 |
Divisors count | 6 | 8 |
Divisors | 1, 2, 3, 6, 9, 18 | 1, 2, 3, 6, 7, 14, 21, 42 |
Number of properties | 0 | 0 |
Roman numberals | XVIII | XLII |
Base 2 | 100102 | 1010102 |
Base 3 | 2003 | 11203 |
Base 4 | 1024 | 2224 |
Base 5 | 335 | 1325 |
Base 6 | 306 | 1106 |
Base 7 | 247 | 607 |
Base 8 | 228 | 528 |
Base 9 | 209 | 469 |
Base 10 | 1810 | 4210 |
Base 11 | 1711 | 3911 |
Base 12 | 1612 | 3612 |
Base 13 | 1513 | 3313 |
Base 14 | 1414 | 3014 |
Base 15 | 1315 | 2c15 |
Base 16 | 1216 | 2a16 |