Compare 21305 vs 21307
| Property | 21305 | 21307 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 42611 | 111 × 131 × 1491 |
| Prime factorization | 5 × 4261 | 11 × 13 × 149 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 4261, 21305 | 1, 11, 13, 143, 149, 1639, 1937, 21307 |
| Number of properties | 1 | 0 |
| Semiprimes | 5399th | |
| Roman numberals | ||
| Base 2 | 1010011001110012 | 1010011001110112 |
| Base 3 | 10020200023 | 10020200113 |
| Base 4 | 110303214 | 110303234 |
| Base 5 | 11402105 | 11402125 |
| Base 6 | 2423456 | 2423516 |
| Base 7 | 1160547 | 1160567 |
| Base 8 | 514718 | 514738 |
| Base 9 | 322029 | 322049 |
| Base 10 | 2130510 | 2130710 |
| Base 11 | 1500911 | 1501011 |
| Base 12 | 103b512 | 103b712 |
| Base 13 | 990b13 | 991013 |
| Base 14 | 7a9b14 | 7a9d14 |
| Base 15 | 64a515 | 64a715 |
| Base 16 | 533916 | 533b16 |