Compare 21307 vs 21309
| Property | 21307 | 21309 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 111 × 131 × 1491 | 31 × 71031 |
| Prime factorization | 11 × 13 × 149 | 3 × 7103 |
| Divisors count | 8 | 4 |
| Divisors | 1, 11, 13, 143, 149, 1639, 1937, 21307 | 1, 3, 7103, 21309 |
| Number of properties | 0 | 1 |
| Semiprimes | 5400th | |
| Roman numberals | ||
| Base 2 | 1010011001110112 | 1010011001111012 |
| Base 3 | 10020200113 | 10020200203 |
| Base 4 | 110303234 | 110303314 |
| Base 5 | 11402125 | 11402145 |
| Base 6 | 2423516 | 2423536 |
| Base 7 | 1160567 | 1160617 |
| Base 8 | 514738 | 514758 |
| Base 9 | 322049 | 322069 |
| Base 10 | 2130710 | 2130910 |
| Base 11 | 1501011 | 1501211 |
| Base 12 | 103b712 | 103b912 |
| Base 13 | 991013 | 991213 |
| Base 14 | 7a9d14 | 7aa114 |
| Base 15 | 64a715 | 64a915 |
| Base 16 | 533b16 | 533d16 |