Compare 121809 vs 121819
| Property | 121809 | 121819 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 191 × 21371 | 431 × 28331 |
| Prime factorization | 3 × 19 × 2137 | 43 × 2833 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 19, 57, 2137, 6411, 40603, 121809 | 1, 43, 2833, 121819 |
| Number of properties | 0 | 1 |
| Semiprimes | 28233rd | |
| Roman numberals | ||
| Base 2 | 111011011110100012 | 111011011110110112 |
| Base 3 | 200120021103 | 200120022113 |
| Base 4 | 1312331014 | 1312331234 |
| Base 5 | 123442145 | 123442345 |
| Base 6 | 23355336 | 23355516 |
| Base 7 | 10150627 | 10151057 |
| Base 8 | 3557218 | 3557338 |
| Base 9 | 2050739 | 2050849 |
| Base 10 | 12180910 | 12181910 |
| Base 11 | 8357611 | 8358511 |
| Base 12 | 5a5a912 | 5a5b712 |
| Base 13 | 4359c13 | 435a913 |
| Base 14 | 3256914 | 3257514 |
| Base 15 | 2615915 | 2616415 |
| Base 16 | 1dbd116 | 1dbdb16 |