Compare 991619 vs 991927
| Property | 991619 | 991927 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9916191 | 9919271 |
| Prime factorization | 991619 | 991927 |
| Divisors count | 2 | 2 |
| Divisors | 1, 991619 | 1, 991927 |
| Number of properties | 4 | 7 |
| Additive primes | 29904th | |
| Chen primes | 29737th | 29747th |
| Cousin primes (1st member) | 8097th | |
| Emirps | 10992nd | |
| Isolated primes | 61694th | |
| Lucky primes | 8557th | |
| Primes | 77894th | 77917th |
| Twin primes (1st member) | 8111th | |
| Ulam primes | 5713th | |
| Roman numberals | ||
| Base 2 | 111100100001100000112 | 111100100010101101112 |
| Base 3 | 12121010201223 | 12121012000013 |
| Base 4 | 33020120034 | 33020223134 |
| Base 5 | 2232124345 | 2232202025 |
| Base 6 | 331304556 | 331321316 |
| Base 7 | 113000067 | 113006267 |
| Base 8 | 36206038 | 36212678 |
| Base 9 | 17712189 | 17716019 |
| Base 10 | 99161910 | 99192710 |
| Base 11 | 61802211 | 61828211 |
| Base 12 | 3b9a2b12 | 3ba04712 |
| Base 13 | 28947513 | 28965113 |
| Base 14 | 1bb53d14 | 1bb6bd14 |
| Base 15 | 148c2e15 | 148d8715 |
| Base 16 | f218316 | f22b716 |