Compare 642197 vs 642203
| Property | 642197 | 642203 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6421971 | 1511 × 42531 |
| Prime factorization | 642197 | 151 × 4253 |
| Divisors count | 2 | 4 |
| Divisors | 1, 642197 | 1, 151, 4253, 642203 |
| Number of properties | 4 | 1 |
| Additive primes | 20415th | |
| Chen primes | 20434th | |
| Primes | 52236th | |
| Semiprimes | 137595th | |
| Twin primes (1st member) | 5650th | |
| Roman numberals | ||
| Base 2 | 100111001100100101012 | 100111001100100110112 |
| Base 3 | 10121212210023 | 10121212210223 |
| Base 4 | 21303021114 | 21303021234 |
| Base 5 | 1310222425 | 1310223035 |
| Base 6 | 214330456 | 214330556 |
| Base 7 | 53132037 | 53132127 |
| Base 8 | 23462258 | 23462338 |
| Base 9 | 11778329 | 11778389 |
| Base 10 | 64219710 | 64220310 |
| Base 11 | 3a954611 | 3a955111 |
| Base 12 | 26b78512 | 26b78b12 |
| Base 13 | 1963ca13 | 19640313 |
| Base 14 | 12a07314 | 12a07914 |
| Base 15 | ca43215 | ca43815 |
| Base 16 | 9cc9516 | 9cc9b16 |