Compare 21129 vs 21145
| Property | 21129 | 21145 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 70431 | 51 × 42291 |
| Prime factorization | 3 × 7043 | 5 × 4229 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 7043, 21129 | 1, 5, 4229, 21145 |
| Number of properties | 1 | 1 |
| Semiprimes | 5357th | 5361st |
| Roman numberals | ||
| Base 2 | 1010010100010012 | 1010010100110012 |
| Base 3 | 10012221203 | 10020000113 |
| Base 4 | 110220214 | 110221214 |
| Base 5 | 11340045 | 11340405 |
| Base 6 | 2414536 | 2415216 |
| Base 7 | 1154137 | 1154357 |
| Base 8 | 512118 | 512318 |
| Base 9 | 318769 | 320049 |
| Base 10 | 2112910 | 2114510 |
| Base 11 | 1496911 | 1498311 |
| Base 12 | 1028912 | 102a112 |
| Base 13 | 980413 | 981713 |
| Base 14 | 79b314 | 79c514 |
| Base 15 | 63d915 | 63ea15 |
| Base 16 | 528916 | 529916 |