Compare 21129 vs 21131
| Property | 21129 | 21131 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 70431 | 111 × 171 × 1131 |
| Prime factorization | 3 × 7043 | 11 × 17 × 113 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 7043, 21129 | 1, 11, 17, 113, 187, 1243, 1921, 21131 |
| Number of properties | 1 | 0 |
| Semiprimes | 5357th | |
| Roman numberals | ||
| Base 2 | 1010010100010012 | 1010010100010112 |
| Base 3 | 10012221203 | 10012221223 |
| Base 4 | 110220214 | 110220234 |
| Base 5 | 11340045 | 11340115 |
| Base 6 | 2414536 | 2414556 |
| Base 7 | 1154137 | 1154157 |
| Base 8 | 512118 | 512138 |
| Base 9 | 318769 | 318789 |
| Base 10 | 2112910 | 2113110 |
| Base 11 | 1496911 | 1497011 |
| Base 12 | 1028912 | 1028b12 |
| Base 13 | 980413 | 980613 |
| Base 14 | 79b314 | 79b514 |
| Base 15 | 63d915 | 63db15 |
| Base 16 | 528916 | 528b16 |