Compare 642197 vs 642209
| Property | 642197 | 642209 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6421971 | 171 × 371 × 10211 |
| Prime factorization | 642197 | 17 × 37 × 1021 |
| Divisors count | 2 | 8 |
| Divisors | 1, 642197 | 1, 17, 37, 629, 1021, 17357, 37777, 642209 |
| Number of properties | 4 | 0 |
| Additive primes | 20415th | |
| Chen primes | 20434th | |
| Primes | 52236th | |
| Twin primes (1st member) | 5650th | |
| Roman numberals | ||
| Base 2 | 100111001100100101012 | 100111001100101000012 |
| Base 3 | 10121212210023 | 10121212211123 |
| Base 4 | 21303021114 | 21303022014 |
| Base 5 | 1310222425 | 1310223145 |
| Base 6 | 214330456 | 214331056 |
| Base 7 | 53132037 | 53132217 |
| Base 8 | 23462258 | 23462418 |
| Base 9 | 11778329 | 11778459 |
| Base 10 | 64219710 | 64220910 |
| Base 11 | 3a954611 | 3a955711 |
| Base 12 | 26b78512 | 26b79512 |
| Base 13 | 1963ca13 | 19640913 |
| Base 14 | 12a07314 | 12a08114 |
| Base 15 | ca43215 | ca43e15 |
| Base 16 | 9cc9516 | 9cca116 |