Compare 808989 vs 808991
| Property | 808989 | 808991 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 2696631 | 8089911 |
| Prime factorization | 3 × 269663 | 808991 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 269663, 808989 | 1, 808991 |
| Number of properties | 1 | 4 |
| Chen primes | 24983rd | |
| Happy primes | 9205th | |
| Primes | 64604th | |
| Semiprimes | 171486th | |
| Twin primes (1st member) | 6820th | |
| Roman numberals | ||
| Base 2 | 110001011000000111012 | 110001011000000111112 |
| Base 3 | 11120022011203 | 11120022011223 |
| Base 4 | 30112001314 | 30112001334 |
| Base 5 | 2013414245 | 2013414315 |
| Base 6 | 252011536 | 252011556 |
| Base 7 | 66063667 | 66064017 |
| Base 8 | 30540358 | 30540378 |
| Base 9 | 14626469 | 14626489 |
| Base 10 | 80898910 | 80899110 |
| Base 11 | 50289511 | 50289711 |
| Base 12 | 3301b912 | 3301bb12 |
| Base 13 | 2242bc13 | 2242c113 |
| Base 14 | 170b6d14 | 170b7114 |
| Base 15 | 10ea7915 | 10ea7b15 |
| Base 16 | c581d16 | c581f16 |