Compare 89 vs 99
| Property | 89 | 99 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 891 | 32 × 111 |
| Prime factorization | 89 | 3 × 3 × 11 |
| Divisors count | 2 | 6 |
| Divisors | 1, 89 | 1, 3, 9, 11, 33, 99 |
| Number of properties | 8 | 0 |
| Additive primes | 14th | |
| Chen primes | 20th | |
| Fibonacci primes | 5th | |
| Isolated primes | 9th | |
| Primes | 24th | |
| Pythagorean primes | 10th | |
| Sexy primes (2nd member) | 15th | |
| Sophie germain primes | 10th | |
| Roman numberals | LXXXIX | XCIX |
| Base 2 | 10110012 | 11000112 |
| Base 3 | 100223 | 102003 |
| Base 4 | 11214 | 12034 |
| Base 5 | 3245 | 3445 |
| Base 6 | 2256 | 2436 |
| Base 7 | 1557 | 2017 |
| Base 8 | 1318 | 1438 |
| Base 9 | 1089 | 1209 |
| Base 10 | 8910 | 9910 |
| Base 11 | 8111 | 9011 |
| Base 12 | 7512 | 8312 |
| Base 13 | 6b13 | 7813 |
| Base 14 | 6514 | 7114 |
| Base 15 | 5e15 | 6915 |
| Base 16 | 5916 | 6316 |