Compare 21105 vs 21113
| Property | 21105 | 21113 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 32 × 51 × 71 × 671 | 431 × 4911 |
| Prime factorization | 3 × 3 × 5 × 7 × 67 | 43 × 491 |
| Divisors count | 24 | 4 |
| Divisors | 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 1005, 1407, 2345, 3015, 4221, 7035, 21105 | 1, 43, 491, 21113 |
| Number of properties | 0 | 1 |
| Semiprimes | 5353rd | |
| Roman numberals | ||
| Base 2 | 1010010011100012 | 1010010011110012 |
| Base 3 | 10012212003 | 10012212223 |
| Base 4 | 110213014 | 110213214 |
| Base 5 | 11334105 | 11334235 |
| Base 6 | 2414136 | 2414256 |
| Base 7 | 1153507 | 1153617 |
| Base 8 | 511618 | 511718 |
| Base 9 | 318509 | 318589 |
| Base 10 | 2110510 | 2111310 |
| Base 11 | 1494711 | 1495411 |
| Base 12 | 1026912 | 1027512 |
| Base 13 | 97b613 | 97c113 |
| Base 14 | 799714 | 79a114 |
| Base 15 | 63c015 | 63c815 |
| Base 16 | 527116 | 527916 |