Compare 4 vs 18
Property | 4 | 18 |
---|---|---|
Type | semiprime | composite number |
Unique factors | 1 | 2 |
Total factors | 2 | 3 |
Prime factorization | 22 | 21 × 32 |
Prime factorization | 2 × 2 | 2 × 3 × 3 |
Divisors count | 3 | 6 |
Divisors | 1, 2, 4 | 1, 2, 3, 6, 9, 18 |
Number of properties | 1 | 0 |
Semiprimes | 1st | |
Roman numberals | IV | XVIII |
Base 2 | 1002 | 100102 |
Base 3 | 113 | 2003 |
Base 4 | 104 | 1024 |
Base 5 | 45 | 335 |
Base 6 | 46 | 306 |
Base 7 | 47 | 247 |
Base 8 | 48 | 228 |
Base 9 | 49 | 209 |
Base 10 | 410 | 1810 |
Base 11 | 411 | 1711 |
Base 12 | 412 | 1612 |
Base 13 | 413 | 1513 |
Base 14 | 414 | 1414 |
Base 15 | 415 | 1315 |
Base 16 | 416 | 1216 |