Compare 127979 vs 128221
| Property | 127979 | 128221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1279791 | 1282211 |
| Prime factorization | 127979 | 128221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 127979 | 1, 128221 |
| Number of properties | 5 | 4 |
| Harmonic primes | 4510th | |
| Isolated primes | 8999th | 9013th |
| Long primes | 4498th | 4505th |
| Primes | 11986th | 12004th |
| Pythagorean primes | 5968th | |
| Sexy primes (2nd member) | 2976th | |
| Roman numberals | ||
| Base 2 | 111110011111010112 | 111110100110111012 |
| Base 3 | 201111122223 | 201112122213 |
| Base 4 | 1330332234 | 1331031314 |
| Base 5 | 130434045 | 131003415 |
| Base 6 | 24242556 | 24253416 |
| Base 7 | 10420557 | 10425527 |
| Base 8 | 3717538 | 3723358 |
| Base 9 | 2144889 | 2147879 |
| Base 10 | 12797910 | 12822110 |
| Base 11 | 8817511 | 8837511 |
| Base 12 | 6208b12 | 6225112 |
| Base 13 | 4633713 | 4649213 |
| Base 14 | 348d514 | 34a2914 |
| Base 15 | 27dbe15 | 27ed115 |
| Base 16 | 1f3eb16 | 1f4dd16 |