Compare 991129 vs 991621
| Property | 991129 | 991621 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9911291 | 9916211 |
| Prime factorization | 991129 | 991621 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991129 | 1, 991621 |
| Number of properties | 4 | 4 |
| Additive primes | 29881st | |
| Emirps | 10974th | 10984th |
| Primes | 77861st | 77895th |
| Twin primes (2nd member) | 8109th | 8111th |
| Ulam primes | 5714th | |
| Roman numberals | ||
| Base 2 | 111100011111100110012 | 111100100001100001012 |
| Base 3 | 12121001201113 | 12121010202013 |
| Base 4 | 33013321214 | 33020120114 |
| Base 5 | 2232040045 | 2232124415 |
| Base 6 | 331243216 | 331305016 |
| Base 7 | 112654067 | 113000117 |
| Base 8 | 36176318 | 36206058 |
| Base 9 | 17705149 | 17712219 |
| Base 10 | 99112910 | 99162110 |
| Base 11 | 61771711 | 61802411 |
| Base 12 | 3b96a112 | 3b9a3112 |
| Base 13 | 28918913 | 28947713 |
| Base 14 | 1bb2ad14 | 1bb54114 |
| Base 15 | 148a0415 | 148c3115 |
| Base 16 | f1f9916 | f218516 |