Compare 987997 vs 987998
| Property | 987997 | 987998 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 9879971 | 21 × 111 × 449091 |
| Prime factorization | 987997 | 2 × 11 × 44909 |
| Divisors count | 2 | 8 |
| Divisors | 1, 987997 | 1, 2, 11, 22, 44909, 89818, 493999, 987998 |
| Number of properties | 5 | 0 |
| Chen primes | 29648th | |
| Emirps | 10909th | |
| Isolated primes | 61459th | |
| Primes | 77634th | |
| Sexy primes (2nd member) | 16218th | |
| Roman numberals | ||
| Base 2 | 111100010011010111012 | 111100010011010111102 |
| Base 3 | 12120120211113 | 12120120211123 |
| Base 4 | 33010311314 | 33010311324 |
| Base 5 | 2231034425 | 2231034435 |
| Base 6 | 331020216 | 331020226 |
| Base 7 | 112533137 | 112533147 |
| Base 8 | 36115358 | 36115368 |
| Base 9 | 17652449 | 17652459 |
| Base 10 | 98799710 | 98799810 |
| Base 11 | 61532a11 | 61533011 |
| Base 12 | 3b791112 | 3b791212 |
| Base 13 | 28791a13 | 28791b13 |
| Base 14 | 1ba0b314 | 1ba0b414 |
| Base 15 | 147b1715 | 147b1815 |
| Base 16 | f135d16 | f135e16 |