Compare 991981 vs 992231
| Property | 991981 | 992231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9919811 | 9922311 |
| Prime factorization | 991981 | 992231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991981 | 1, 992231 |
| Number of properties | 6 | 4 |
| Additive primes | 29905th | |
| Chen primes | 29751st | 29758th |
| Emirps | 10998th | 11003rd |
| Isolated primes | 61712th | |
| Primes | 77925th | 77941st |
| Sexy primes (1st member) | 16280th | |
| Twin primes (2nd member) | 8113th | |
| Roman numberals | ||
| Base 2 | 111100100010111011012 | 111100100011111001112 |
| Base 3 | 12121012020013 | 12121020020223 |
| Base 4 | 33020232314 | 33020332134 |
| Base 5 | 2232204115 | 2232224115 |
| Base 6 | 331323016 | 331333556 |
| Base 7 | 113010347 | 113015427 |
| Base 8 | 36213558 | 36217478 |
| Base 9 | 17716619 | 17720689 |
| Base 10 | 99198110 | 99223110 |
| Base 11 | 61832111 | 61852911 |
| Base 12 | 3ba09112 | 3ba25b12 |
| Base 13 | 28969313 | 28982613 |
| Base 14 | 1bb71b14 | 1bb85914 |
| Base 15 | 148dc115 | 148edb15 |
| Base 16 | f22ed16 | f23e716 |