Compare 643213 vs 643223
| Property | 643213 | 643223 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 6432131 | 72 × 131271 |
| Prime factorization | 643213 | 7 × 7 × 13127 |
| Divisors count | 2 | 6 |
| Divisors | 1, 643213 | 1, 7, 49, 13127, 91889, 643223 |
| Number of properties | 4 | 0 |
| Additive primes | 20444th | |
| Cousin primes (1st member) | 5649th | |
| Isolated primes | 40998th | |
| Primes | 52307th | |
| Roman numberals | ||
| Base 2 | 100111010000100011012 | 100111010000100101112 |
| Base 3 | 10122000222013 | 10122001000023 |
| Base 4 | 21310020314 | 21310021134 |
| Base 5 | 1310403235 | 1310403435 |
| Base 6 | 214415016 | 214415156 |
| Base 7 | 53161547 | 53162007 |
| Base 8 | 23502158 | 23502278 |
| Base 9 | 11802819 | 11803029 |
| Base 10 | 64321310 | 64322310 |
| Base 11 | 3aa28a11 | 3aa29911 |
| Base 12 | 27029112 | 27029b12 |
| Base 13 | 1969cc13 | 196a0913 |
| Base 14 | 12a59b14 | 12a5a714 |
| Base 15 | ca8ad15 | ca8b815 |
| Base 16 | 9d08d16 | 9d09716 |