Compare 20128 vs 20129
| Property | 20128 | 20129 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 25 × 171 × 371 | 201291 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 17 × 37 | 20129 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 1184, 1258, 2516, 5032, 10064, 20128 | 1, 20129 |
| Number of properties | 0 | 6 |
| Chen primes | 1119th | |
| Isolated primes | 1592nd | |
| Primes | 2277th | |
| Pythagorean primes | 1132nd | |
| Sexy primes (2nd member) | 698th | |
| Sexy prime triplets (3rd member) | 192nd | |
| Roman numberals | ||
| Base 2 | 1001110101000002 | 1001110101000012 |
| Base 3 | 10001211113 | 10001211123 |
| Base 4 | 103222004 | 103222014 |
| Base 5 | 11210035 | 11210045 |
| Base 6 | 2331046 | 2331056 |
| Base 7 | 1124537 | 1124547 |
| Base 8 | 472408 | 472418 |
| Base 9 | 305449 | 305459 |
| Base 10 | 2012810 | 2012910 |
| Base 11 | 1413911 | 1413a11 |
| Base 12 | b79412 | b79512 |
| Base 13 | 921413 | 921513 |
| Base 14 | 749a14 | 749b14 |
| Base 15 | 5e6d15 | 5e6e15 |
| Base 16 | 4ea016 | 4ea116 |