Compare 991129 vs 991261
| Property | 991129 | 991261 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9911291 | 9912611 |
| Prime factorization | 991129 | 991261 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991129 | 1, 991261 |
| Number of properties | 4 | 2 |
| Additive primes | 29881st | |
| Emirps | 10974th | |
| Isolated primes | 61653rd | |
| Primes | 77861st | 77870th |
| Twin primes (2nd member) | 8109th | |
| Roman numberals | ||
| Base 2 | 111100011111100110012 | 111100100000000111012 |
| Base 3 | 12121001201113 | 12121002021013 |
| Base 4 | 33013321214 | 33020001314 |
| Base 5 | 2232040045 | 2232100215 |
| Base 6 | 331243216 | 331251016 |
| Base 7 | 112654067 | 112656557 |
| Base 8 | 36176318 | 36200358 |
| Base 9 | 17705149 | 17706719 |
| Base 10 | 99112910 | 99126110 |
| Base 11 | 61771711 | 61782711 |
| Base 12 | 3b96a112 | 3b979112 |
| Base 13 | 28918913 | 28925b13 |
| Base 14 | 1bb2ad14 | 1bb36514 |
| Base 15 | 148a0415 | 148a9115 |
| Base 16 | f1f9916 | f201d16 |