Compare 21820 vs 21828
| Property | 21820 | 21828 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 4 | 5 |
| Prime factorization | 22 × 51 × 10911 | 22 × 31 × 171 × 1071 |
| Prime factorization | 2 × 2 × 5 × 1091 | 2 × 2 × 3 × 17 × 107 |
| Divisors count | 12 | 24 |
| Divisors | 1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 10910, 21820 | 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 107, 204, 214, 321, 428, 642, 1284, 1819, 3638, 5457, 7276, 10914, 21828 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101001111002 | 1010101010001002 |
| Base 3 | 10022210113 | 10022211103 |
| Base 4 | 111103304 | 111110104 |
| Base 5 | 11442405 | 11443035 |
| Base 6 | 2450046 | 2450206 |
| Base 7 | 1204217 | 1204327 |
| Base 8 | 524748 | 525048 |
| Base 9 | 328349 | 328439 |
| Base 10 | 2182010 | 2182810 |
| Base 11 | 1543711 | 1544411 |
| Base 12 | 1076412 | 1077012 |
| Base 13 | 9c1613 | 9c2113 |
| Base 14 | 7d4814 | 7d5214 |
| Base 15 | 66ea15 | 670315 |
| Base 16 | 553c16 | 554416 |