Compare 642191 vs 642197
| Property | 642191 | 642197 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 111 × 791 × 7391 | 6421971 |
| Prime factorization | 11 × 79 × 739 | 642197 |
| Divisors count | 8 | 2 |
| Divisors | 1, 11, 79, 739, 869, 8129, 58381, 642191 | 1, 642197 |
| Number of properties | 0 | 4 |
| Additive primes | 20415th | |
| Chen primes | 20434th | |
| Primes | 52236th | |
| Twin primes (1st member) | 5650th | |
| Roman numberals | ||
| Base 2 | 100111001100100011112 | 100111001100100101012 |
| Base 3 | 10121212202123 | 10121212210023 |
| Base 4 | 21303020334 | 21303021114 |
| Base 5 | 1310222315 | 1310222425 |
| Base 6 | 214330356 | 214330456 |
| Base 7 | 53131647 | 53132037 |
| Base 8 | 23462178 | 23462258 |
| Base 9 | 11778259 | 11778329 |
| Base 10 | 64219110 | 64219710 |
| Base 11 | 3a954011 | 3a954611 |
| Base 12 | 26b77b12 | 26b78512 |
| Base 13 | 1963c413 | 1963ca13 |
| Base 14 | 12a06b14 | 12a07314 |
| Base 15 | ca42b15 | ca43215 |
| Base 16 | 9cc8f16 | 9cc9516 |