Compare 8999 vs 9091
| Property | 8999 | 9091 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 89991 | 90911 | 
| Prime factorization | 8999 | 9091 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 8999 | 1, 9091 | 
| Number of properties | 5 | 4 | 
| Additive primes | 545th | |
| Chen primes | 587th | |
| Good primes | 163rd | |
| Harmonic primes | 410th | |
| Isolated primes | 745th | |
| Primes | 1117th | 1128th | 
| Super primes | 187th | |
| Twin primes (1st member) | 190th | |
| Roman numberals | ||
| Base 2 | 100011001001112 | 100011100000112 | 
| Base 3 | 1101000223 | 1101102013 | 
| Base 4 | 20302134 | 20320034 | 
| Base 5 | 2414445 | 2423315 | 
| Base 6 | 1053556 | 1100316 | 
| Base 7 | 351447 | 353357 | 
| Base 8 | 214478 | 216038 | 
| Base 9 | 133089 | 134219 | 
| Base 10 | 899910 | 909110 | 
| Base 11 | 684111 | 691511 | 
| Base 12 | 525b12 | 531712 | 
| Base 13 | 413313 | 41a413 | 
| Base 14 | 33cb14 | 345514 | 
| Base 15 | 29ee15 | 2a6115 | 
| Base 16 | 232716 | 238316 |