Compare 640193 vs 640205
| Property | 640193 | 640205 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 6401931 | 51 × 191 × 231 × 2931 |
| Prime factorization | 640193 | 5 × 19 × 23 × 293 |
| Divisors count | 2 | 16 |
| Divisors | 1, 640193 | 1, 5, 19, 23, 95, 115, 293, 437, 1465, 2185, 5567, 6739, 27835, 33695, 128041, 640205 |
| Number of properties | 3 | 0 |
| Additive primes | 20359th | |
| Isolated primes | 40827th | |
| Primes | 52092nd | |
| Roman numberals | ||
| Base 2 | 100111000100110000012 | 100111000100110011012 |
| Base 3 | 10121120112123 | 10121120120223 |
| Base 4 | 21301030014 | 21301030314 |
| Base 5 | 1304412335 | 1304413105 |
| Base 6 | 214155056 | 214155256 |
| Base 7 | 53043117 | 53043267 |
| Base 8 | 23423018 | 23423158 |
| Base 9 | 11751559 | 11751689 |
| Base 10 | 64019310 | 64020510 |
| Base 11 | 3a7a9411 | 3a7aa511 |
| Base 12 | 26a59512 | 26a5a512 |
| Base 13 | 19551813 | 19552713 |
| Base 14 | 12944114 | 12944d14 |
| Base 15 | c9a4815 | c9a5515 |
| Base 16 | 9c4c116 | 9c4cd16 |