Compare 518128 vs 518129
| Property | 518128 | 518129 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 131 × 471 × 531 | 5181291 |
| Prime factorization | 2 × 2 × 2 × 2 × 13 × 47 × 53 | 518129 |
| Divisors count | 40 | 2 |
| Divisors | 1, 2, 4, 8, 13, 16, 26, 47, 52, 53, 94, 104, 106, 188, 208, 212, 376, 424, 611, 689, 752, 848, 1222, 1378, 2444, 2491, 2756, 4888, 4982, 5512, 9776, 9964, 11024, 19928, 32383, 39856, 64766, 129532, 259064, 518128 | 1, 518129 |
| Number of properties | 0 | 5 |
| Chen primes | 17009th | |
| Happy primes | 6231st | |
| Primes | 42917th | |
| Sexy primes (2nd member) | 9451st | |
| Twin primes (1st member) | 4695th | |
| Roman numberals | ||
| Base 2 | 11111100111111100002 | 11111100111111100012 |
| Base 3 | 2220222012213 | 2220222012223 |
| Base 4 | 13321333004 | 13321333014 |
| Base 5 | 1130400035 | 1130400045 |
| Base 6 | 150344246 | 150344256 |
| Base 7 | 42554027 | 42554037 |
| Base 8 | 17637608 | 17637618 |
| Base 9 | 8686579 | 8686589 |
| Base 10 | 51812810 | 51812910 |
| Base 11 | 32430611 | 32430711 |
| Base 12 | 20ba1412 | 20ba1512 |
| Base 13 | 151ab013 | 151ab113 |
| Base 14 | d6b7214 | d6b7314 |
| Base 15 | a37bd15 | a37be15 |
| Base 16 | 7e7f016 | 7e7f116 |