Compare 991663 vs 991961
| Property | 991663 | 991961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9916631 | 9919611 |
| Prime factorization | 991663 | 991961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991663 | 1, 991961 |
| Number of properties | 4 | 5 |
| Chen primes | 29749th | |
| Cousin primes (2nd member) | 8098th | |
| Emirps | 10986th | 10996th |
| Isolated primes | 61678th | 61699th |
| Primes | 77899th | 77922nd |
| Super primes | 7655th | |
| Roman numberals | ||
| Base 2 | 111100100001101011112 | 111100100010110110012 |
| Base 3 | 12121010220213 | 12121012010223 |
| Base 4 | 33020122334 | 33020231214 |
| Base 5 | 2232131235 | 2232203215 |
| Base 6 | 331310116 | 331322256 |
| Base 7 | 113001017 | 113010057 |
| Base 8 | 36206578 | 36213318 |
| Base 9 | 17712679 | 17716389 |
| Base 10 | 99166310 | 99196110 |
| Base 11 | 61806211 | 61830311 |
| Base 12 | 3b9a6712 | 3ba07512 |
| Base 13 | 2894aa13 | 28967913 |
| Base 14 | 1bb57114 | 1bb70514 |
| Base 15 | 148c5d15 | 148dab15 |
| Base 16 | f21af16 | f22d916 |