Compare 643213 vs 643220
| Property | 643213 | 643220 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 5 |
| Prime factorization | 6432131 | 22 × 51 × 291 × 11091 |
| Prime factorization | 643213 | 2 × 2 × 5 × 29 × 1109 |
| Divisors count | 2 | 24 |
| Divisors | 1, 643213 | 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1109, 2218, 4436, 5545, 11090, 22180, 32161, 64322, 128644, 160805, 321610, 643220 |
| Number of properties | 4 | 0 |
| Additive primes | 20444th | |
| Cousin primes (1st member) | 5649th | |
| Isolated primes | 40998th | |
| Primes | 52307th | |
| Roman numberals | ||
| Base 2 | 100111010000100011012 | 100111010000100101002 |
| Base 3 | 10122000222013 | 10122000222223 |
| Base 4 | 21310020314 | 21310021104 |
| Base 5 | 1310403235 | 1310403405 |
| Base 6 | 214415016 | 214415126 |
| Base 7 | 53161547 | 53161647 |
| Base 8 | 23502158 | 23502248 |
| Base 9 | 11802819 | 11802889 |
| Base 10 | 64321310 | 64322010 |
| Base 11 | 3aa28a11 | 3aa29611 |
| Base 12 | 27029112 | 27029812 |
| Base 13 | 1969cc13 | 196a0613 |
| Base 14 | 12a59b14 | 12a5a414 |
| Base 15 | ca8ad15 | ca8b515 |
| Base 16 | 9d08d16 | 9d09416 |