Compare 991009 vs 991129
| Property | 991009 | 991129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9910091 | 9911291 |
| Prime factorization | 991009 | 991129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991009 | 1, 991129 |
| Number of properties | 3 | 4 |
| Additive primes | 29881st | |
| Emirps | 10974th | |
| Isolated primes | 61634th | |
| Primes | 77849th | 77861st |
| Super primes | 7651st | |
| Twin primes (2nd member) | 8109th | |
| Roman numberals | ||
| Base 2 | 111100011111001000012 | 111100011111100110012 |
| Base 3 | 12121001020013 | 12121001201113 |
| Base 4 | 33013302014 | 33013321214 |
| Base 5 | 2232030145 | 2232040045 |
| Base 6 | 331240016 | 331243216 |
| Base 7 | 112651457 | 112654067 |
| Base 8 | 36174418 | 36176318 |
| Base 9 | 17703619 | 17705149 |
| Base 10 | 99100910 | 99112910 |
| Base 11 | 61761811 | 61771711 |
| Base 12 | 3b960112 | 3b96a112 |
| Base 13 | 2890c613 | 28918913 |
| Base 14 | 1bb22514 | 1bb2ad14 |
| Base 15 | 14897415 | 148a0415 |
| Base 16 | f1f2116 | f1f9916 |