Compare 128221 vs 128257
| Property | 128221 | 128257 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1282211 | 1282571 |
| Prime factorization | 128221 | 128257 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128221 | 1, 128257 |
| Number of properties | 4 | 8 |
| Emirps | 2418th | |
| Harmonic primes | 4520th | |
| Isolated primes | 9013th | 9014th |
| Long primes | 4505th | 4506th |
| Lucky primes | 1577th | |
| Primes | 12004th | 12007th |
| Pythagorean primes | 5968th | 5970th |
| Super primes | 1439th | |
| Roman numberals | ||
| Base 2 | 111110100110111012 | 111110101000000012 |
| Base 3 | 201112122213 | 201112210213 |
| Base 4 | 1331031314 | 1331100014 |
| Base 5 | 131003415 | 131010125 |
| Base 6 | 24253416 | 24254416 |
| Base 7 | 10425527 | 10426337 |
| Base 8 | 3723358 | 3724018 |
| Base 9 | 2147879 | 2148379 |
| Base 10 | 12822110 | 12825710 |
| Base 11 | 8837511 | 883a811 |
| Base 12 | 6225112 | 6228112 |
| Base 13 | 4649213 | 464bc13 |
| Base 14 | 34a2914 | 34a5314 |
| Base 15 | 27ed115 | 2800715 |
| Base 16 | 1f4dd16 | 1f50116 |