Compare 128869 vs 128879
| Property | 128869 | 128879 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 131 × 231 × 4311 | 1288791 |
| Prime factorization | 13 × 23 × 431 | 128879 |
| Divisors count | 8 | 2 |
| Divisors | 1, 13, 23, 299, 431, 5603, 9913, 128869 | 1, 128879 |
| Number of properties | 0 | 8 |
| Chen primes | 5216th | |
| Emirps | 2432nd | |
| Happy primes | 1875th | |
| Harmonic primes | 4542nd | |
| Isolated primes | 9057th | |
| Primes | 12064th | |
| Safe primes | 820th | |
| Sexy primes (2nd member) | 2995th | |
| Roman numberals | ||
| Base 2 | 111110111011001012 | 111110111011011112 |
| Base 3 | 201122022213 | 201122100223 |
| Base 4 | 1331312114 | 1331312334 |
| Base 5 | 131104345 | 131110045 |
| Base 6 | 24323416 | 24323556 |
| Base 7 | 10444667 | 10445127 |
| Base 8 | 3735458 | 3735578 |
| Base 9 | 2156879 | 2157089 |
| Base 10 | 12886910 | 12887910 |
| Base 11 | 8890411 | 8891311 |
| Base 12 | 626b112 | 626bb12 |
| Base 13 | 4687013 | 4687a13 |
| Base 14 | 34d6d14 | 34d7914 |
| Base 15 | 282b415 | 282be15 |
| Base 16 | 1f76516 | 1f76f16 |