Compare 648 vs 659
| Property | 648 | 659 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 23 × 34 | 6591 |
| Prime factorization | 2 × 2 × 2 × 3 × 3 × 3 × 3 | 659 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648 | 1, 659 |
| Number of properties | 0 | 8 |
| Chen primes | 84th | |
| Long primes | 44th | |
| Primes | 120th | |
| Sexy primes (2nd member) | 59th | |
| Sexy prime quadrupletss (4th member) | 7th | |
| Sexy prime triplets (3rd member) | 25th | |
| Sophie germain primes | 30th | |
| Twin primes (1st member) | 30th | |
| Roman numberals | DCXLVIII | DCLIX |
| Base 2 | 10100010002 | 10100100112 |
| Base 3 | 2200003 | 2201023 |
| Base 4 | 220204 | 221034 |
| Base 5 | 100435 | 101145 |
| Base 6 | 30006 | 30156 |
| Base 7 | 16147 | 16317 |
| Base 8 | 12108 | 12238 |
| Base 9 | 8009 | 8129 |
| Base 10 | 64810 | 65910 |
| Base 11 | 53a11 | 54a11 |
| Base 12 | 46012 | 46b12 |
| Base 13 | 3ab13 | 3b913 |
| Base 14 | 34414 | 35114 |
| Base 15 | 2d315 | 2de15 |
| Base 16 | 28816 | 29316 |