Compare 218214 vs 218221
| Property | 218214 | 218221 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 21 × 35 × 4491 | 471 × 46431 |
| Prime factorization | 2 × 3 × 3 × 3 × 3 × 3 × 449 | 47 × 4643 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 449, 486, 898, 1347, 2694, 4041, 8082, 12123, 24246, 36369, 72738, 109107, 218214 | 1, 47, 4643, 218221 |
| Number of properties | 0 | 1 |
| Semiprimes | 49153rd | |
| Roman numberals | ||
| Base 2 | 1101010100011001102 | 1101010100011011012 |
| Base 3 | 1020021000003 | 1020021000213 |
| Base 4 | 3111012124 | 3111012314 |
| Base 5 | 234403245 | 234403415 |
| Base 6 | 44021306 | 44021416 |
| Base 7 | 15661237 | 15661337 |
| Base 8 | 6521468 | 6521558 |
| Base 9 | 3623009 | 3623079 |
| Base 10 | 21821410 | 21822110 |
| Base 11 | 139a4711 | 139a5311 |
| Base 12 | a634612 | a635112 |
| Base 13 | 7842913 | 7843313 |
| Base 14 | 5974a14 | 5975314 |
| Base 15 | 449c915 | 449d115 |
| Base 16 | 3546616 | 3546d16 |