Compare 21845 vs 21855
| Property | 21845 | 21855 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 4 |
| Prime factorization | 51 × 171 × 2571 | 31 × 51 × 311 × 471 |
| Prime factorization | 5 × 17 × 257 | 3 × 5 × 31 × 47 |
| Divisors count | 8 | 16 |
| Divisors | 1, 5, 17, 85, 257, 1285, 4369, 21845 | 1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 4371, 7285, 21855 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101010101012 | 1010101010111112 |
| Base 3 | 10022220023 | 10022221103 |
| Base 4 | 111111114 | 111111334 |
| Base 5 | 11443405 | 11444105 |
| Base 6 | 2450456 | 2451036 |
| Base 7 | 1204557 | 1205017 |
| Base 8 | 525258 | 525378 |
| Base 9 | 328629 | 328739 |
| Base 10 | 2184510 | 2185510 |
| Base 11 | 1545a11 | 1546911 |
| Base 12 | 1078512 | 1079312 |
| Base 13 | 9c3513 | 9c4213 |
| Base 14 | 7d6514 | 7d7114 |
| Base 15 | 671515 | 672015 |
| Base 16 | 555516 | 555f16 |