Compare 990387 vs 990397
| Property | 990387 | 990397 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 34 × 122271 | 9903971 |
| Prime factorization | 3 × 3 × 3 × 3 × 12227 | 990397 |
| Divisors count | 10 | 2 |
| Divisors | 1, 3, 9, 27, 81, 12227, 36681, 110043, 330129, 990387 | 1, 990397 |
| Number of properties | 0 | 5 |
| Additive primes | 29861st | |
| Chen primes | 29715th | |
| Emirps | 10961st | |
| Isolated primes | 61599th | |
| Primes | 77810th | |
| Roman numberals | ||
| Base 2 | 111100011100101100112 | 111100011100101111012 |
| Base 3 | 12120221200003 | 12120221201013 |
| Base 4 | 33013023034 | 33013023314 |
| Base 5 | 2231430225 | 2231430425 |
| Base 6 | 331210436 | 331211016 |
| Base 7 | 112632667 | 112633127 |
| Base 8 | 36162638 | 36162758 |
| Base 9 | 17685009 | 17685119 |
| Base 10 | 99038710 | 99039710 |
| Base 11 | 61710211 | 61711111 |
| Base 12 | 3b918312 | 3b919112 |
| Base 13 | 288a3813 | 288a4513 |
| Base 14 | 1bacdd14 | 1bad0914 |
| Base 15 | 1486ac15 | 1486b715 |
| Base 16 | f1cb316 | f1cbd16 |