Compare 128879 vs 128969
| Property | 128879 | 128969 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1288791 | 1289691 |
| Prime factorization | 128879 | 128969 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128879 | 1, 128969 |
| Number of properties | 8 | 7 |
| Chen primes | 5216th | 5218th |
| Emirps | 2432nd | 2433rd |
| Happy primes | 1875th | |
| Harmonic primes | 4542nd | |
| Isolated primes | 9057th | |
| Primes | 12064th | 12071st |
| Pythagorean primes | 6003rd | |
| Safe primes | 820th | |
| Sexy primes (2nd member) | 2995th | |
| Super primes | 1445th | |
| Twin primes (1st member) | 1506th | |
| Ulam primes | 844th | |
| Roman numberals | ||
| Base 2 | 111110111011011112 | 111110111110010012 |
| Base 3 | 201122100223 | 201122201223 |
| Base 4 | 1331312334 | 1331330214 |
| Base 5 | 131110045 | 131113345 |
| Base 6 | 24323556 | 24330256 |
| Base 7 | 10445127 | 10450017 |
| Base 8 | 3735578 | 3737118 |
| Base 9 | 2157089 | 2158189 |
| Base 10 | 12887910 | 12896910 |
| Base 11 | 8891311 | 8899511 |
| Base 12 | 626bb12 | 6277512 |
| Base 13 | 4687a13 | 4691913 |
| Base 14 | 34d7914 | 3500114 |
| Base 15 | 282be15 | 2832e15 |
| Base 16 | 1f76f16 | 1f7c916 |