Compare 642197 vs 643691
| Property | 642197 | 643691 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6421971 | 6436911 |
| Prime factorization | 642197 | 643691 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642197 | 1, 643691 |
| Number of properties | 4 | 7 |
| Additive primes | 20415th | 20459th |
| Chen primes | 20434th | 20470th |
| Primes | 52236th | 52339th |
| Prime triplets (1st member) | 2065th | |
| Sexy primes (1st member) | 11334th | |
| Sexy prime triplets (1st member) | 2079th | |
| Twin primes (1st member) | 5650th | 5658th |
| Roman numberals | ||
| Base 2 | 100111001100100101012 | 100111010010011010112 |
| Base 3 | 10121212210023 | 10122002221023 |
| Base 4 | 21303021114 | 21310212234 |
| Base 5 | 1310222425 | 1310442315 |
| Base 6 | 214330456 | 214440156 |
| Base 7 | 53132037 | 53204367 |
| Base 8 | 23462258 | 23511538 |
| Base 9 | 11778329 | 11808729 |
| Base 10 | 64219710 | 64369110 |
| Base 11 | 3a954611 | 3aa68411 |
| Base 12 | 26b78512 | 27060b12 |
| Base 13 | 1963ca13 | 196ca913 |
| Base 14 | 12a07314 | 12a81d14 |
| Base 15 | ca43215 | caacb15 |
| Base 16 | 9cc9516 | 9d26b16 |