Compare 121809 vs 121811
| Property | 121809 | 121811 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 191 × 21371 | 411 × 29711 |
| Prime factorization | 3 × 19 × 2137 | 41 × 2971 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 19, 57, 2137, 6411, 40603, 121809 | 1, 41, 2971, 121811 |
| Number of properties | 0 | 1 |
| Semiprimes | 28230th | |
| Roman numberals | ||
| Base 2 | 111011011110100012 | 111011011110100112 |
| Base 3 | 200120021103 | 200120021123 |
| Base 4 | 1312331014 | 1312331034 |
| Base 5 | 123442145 | 123442215 |
| Base 6 | 23355336 | 23355356 |
| Base 7 | 10150627 | 10150647 |
| Base 8 | 3557218 | 3557238 |
| Base 9 | 2050739 | 2050759 |
| Base 10 | 12180910 | 12181110 |
| Base 11 | 8357611 | 8357811 |
| Base 12 | 5a5a912 | 5a5ab12 |
| Base 13 | 4359c13 | 435a113 |
| Base 14 | 3256914 | 3256b14 |
| Base 15 | 2615915 | 2615b15 |
| Base 16 | 1dbd116 | 1dbd316 |