Compare 21309 vs 21315
| Property | 21309 | 21315 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 71031 | 31 × 51 × 72 × 291 |
| Prime factorization | 3 × 7103 | 3 × 5 × 7 × 7 × 29 |
| Divisors count | 4 | 24 |
| Divisors | 1, 3, 7103, 21309 | 1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 1015, 1421, 3045, 4263, 7105, 21315 |
| Number of properties | 1 | 0 |
| Semiprimes | 5400th | |
| Roman numberals | ||
| Base 2 | 1010011001111012 | 1010011010000112 |
| Base 3 | 10020200203 | 10020201103 |
| Base 4 | 110303314 | 110310034 |
| Base 5 | 11402145 | 11402305 |
| Base 6 | 2423536 | 2424036 |
| Base 7 | 1160617 | 1161007 |
| Base 8 | 514758 | 515038 |
| Base 9 | 322069 | 322139 |
| Base 10 | 2130910 | 2131510 |
| Base 11 | 1501211 | 1501811 |
| Base 12 | 103b912 | 1040312 |
| Base 13 | 991213 | 991813 |
| Base 14 | 7aa114 | 7aa714 |
| Base 15 | 64a915 | 64b015 |
| Base 16 | 533d16 | 534316 |