Compare 643199 vs 643201
| Property | 643199 | 643201 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6431991 | 131 × 494771 |
| Prime factorization | 643199 | 13 × 49477 |
| Divisors count | 2 | 4 |
| Divisors | 1, 643199 | 1, 13, 49477, 643201 |
| Number of properties | 4 | 1 |
| Chen primes | 20458th | |
| Isolated primes | 40997th | |
| Primes | 52306th | |
| Semiprimes | 137811th | |
| Sophie germain primes | 5329th | |
| Roman numberals | ||
| Base 2 | 100111010000011111112 | 100111010000100000012 |
| Base 3 | 10122000220123 | 10122000220213 |
| Base 4 | 21310013334 | 21310020014 |
| Base 5 | 1310402445 | 1310403015 |
| Base 6 | 214414356 | 214414416 |
| Base 7 | 53161347 | 53161367 |
| Base 8 | 23501778 | 23502018 |
| Base 9 | 11802659 | 11802679 |
| Base 10 | 64319910 | 64320110 |
| Base 11 | 3aa27711 | 3aa27911 |
| Base 12 | 27027b12 | 27028112 |
| Base 13 | 1969bb13 | 1969c013 |
| Base 14 | 12a58b14 | 12a58d14 |
| Base 15 | ca89e15 | ca8a115 |
| Base 16 | 9d07f16 | 9d08116 |