Compare 21131 vs 21138
| Property | 21131 | 21138 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 4 |
| Prime factorization | 111 × 171 × 1131 | 21 × 31 × 131 × 2711 |
| Prime factorization | 11 × 17 × 113 | 2 × 3 × 13 × 271 |
| Divisors count | 8 | 16 |
| Divisors | 1, 11, 17, 113, 187, 1243, 1921, 21131 | 1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 1626, 3523, 7046, 10569, 21138 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010010100010112 | 1010010100100102 |
| Base 3 | 10012221223 | 10012222203 |
| Base 4 | 110220234 | 110221024 |
| Base 5 | 11340115 | 11340235 |
| Base 6 | 2414556 | 2415106 |
| Base 7 | 1154157 | 1154257 |
| Base 8 | 512138 | 512228 |
| Base 9 | 318789 | 318869 |
| Base 10 | 2113110 | 2113810 |
| Base 11 | 1497011 | 1497711 |
| Base 12 | 1028b12 | 1029612 |
| Base 13 | 980613 | 981013 |
| Base 14 | 79b514 | 79bc14 |
| Base 15 | 63db15 | 63e315 |
| Base 16 | 528b16 | 529216 |