Compare 212121 vs 212124
| Property | 212121 | 212124 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 4 |
| Total factors | 6 | 5 |
| Prime factorization | 32 × 72 × 131 × 371 | 22 × 31 × 111 × 16071 |
| Prime factorization | 3 × 3 × 7 × 7 × 13 × 37 | 2 × 2 × 3 × 11 × 1607 |
| Divisors count | 36 | 24 |
| Divisors | 1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 91, 111, 117, 147, 259, 273, 333, 441, 481, 637, 777, 819, 1443, 1813, 1911, 2331, 3367, 4329, 5439, 5733, 10101, 16317, 23569, 30303, 70707, 212121 | 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 1607, 3214, 4821, 6428, 9642, 17677, 19284, 35354, 53031, 70708, 106062, 212124 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1100111100100110012 | 1100111100100111002 |
| Base 3 | 1012022221003 | 1012022221103 |
| Base 4 | 3033021214 | 3033021304 |
| Base 5 | 232414415 | 232414445 |
| Base 6 | 43140136 | 43140206 |
| Base 7 | 15423007 | 15423037 |
| Base 8 | 6362318 | 6362348 |
| Base 9 | 3528709 | 3528739 |
| Base 10 | 21212110 | 21212410 |
| Base 11 | 13540811 | 13541011 |
| Base 12 | a290912 | a291012 |
| Base 13 | 7572013 | 7572313 |
| Base 14 | 5743714 | 5743a14 |
| Base 15 | 42cb615 | 42cb915 |
| Base 16 | 33c9916 | 33c9c16 |