Compare 6659 vs 6665
| Property | 6659 | 6665 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 66591 | 51 × 311 × 431 |
| Prime factorization | 6659 | 5 × 31 × 43 |
| Divisors count | 2 | 8 |
| Divisors | 1, 6659 | 1, 5, 31, 43, 155, 215, 1333, 6665 |
| Number of properties | 7 | 0 |
| Chen primes | 468th | |
| Good primes | 134th | |
| Long primes | 328th | |
| Primes | 858th | |
| Safe primes | 86th | |
| Sexy primes (2nd member) | 306th | |
| Twin primes (1st member) | 153rd | |
| Roman numberals | ||
| Base 2 | 11010000000112 | 11010000010012 |
| Base 3 | 1000101223 | 1000102123 |
| Base 4 | 12200034 | 12200214 |
| Base 5 | 2031145 | 2031305 |
| Base 6 | 504556 | 505056 |
| Base 7 | 252627 | 253017 |
| Base 8 | 150038 | 150118 |
| Base 9 | 101189 | 101259 |
| Base 10 | 665910 | 666510 |
| Base 11 | 500411 | 500a11 |
| Base 12 | 3a2b12 | 3a3512 |
| Base 13 | 305313 | 305913 |
| Base 14 | 25d914 | 260114 |
| Base 15 | 1e8e15 | 1e9515 |
| Base 16 | 1a0316 | 1a0916 |