Compare 987991 vs 987997
| Property | 987991 | 987997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9879911 | 9879971 |
| Prime factorization | 987991 | 987997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 987991 | 1, 987997 |
| Number of properties | 4 | 5 |
| Additive primes | 29798th | |
| Chen primes | 29648th | |
| Emirps | 10909th | |
| Isolated primes | 61458th | 61459th |
| Primes | 77633rd | 77634th |
| Sexy primes (1st member) | 16218th | |
| Sexy primes (2nd member) | 16218th | |
| Roman numberals | ||
| Base 2 | 111100010011010101112 | 111100010011010111012 |
| Base 3 | 12120120210213 | 12120120211113 |
| Base 4 | 33010311134 | 33010311314 |
| Base 5 | 2231034315 | 2231034425 |
| Base 6 | 331020116 | 331020216 |
| Base 7 | 112533047 | 112533137 |
| Base 8 | 36115278 | 36115358 |
| Base 9 | 17652379 | 17652449 |
| Base 10 | 98799110 | 98799710 |
| Base 11 | 61532411 | 61532a11 |
| Base 12 | 3b790712 | 3b791112 |
| Base 13 | 28791413 | 28791a13 |
| Base 14 | 1ba0ab14 | 1ba0b314 |
| Base 15 | 147b1115 | 147b1715 |
| Base 16 | f135716 | f135d16 |