Compare 128221 vs 128321
| Property | 128221 | 128321 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1282211 | 1283211 |
| Prime factorization | 128221 | 128321 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128221 | 1, 128321 |
| Number of properties | 4 | 10 |
| Additive primes | 4951st | |
| Chen primes | 5191st | |
| Emirps | 2419th | |
| Good primes | 787th | |
| Harmonic primes | 4523rd | |
| Isolated primes | 9013th | 9019th |
| Long primes | 4505th | |
| Primes | 12004th | 12012th |
| Pythagorean primes | 5968th | 5972nd |
| Sexy primes (1st member) | 2981st | |
| Sophie germain primes | 1439th | |
| Roman numberals | ||
| Base 2 | 111110100110111012 | 111110101010000012 |
| Base 3 | 201112122213 | 201120001223 |
| Base 4 | 1331031314 | 1331110014 |
| Base 5 | 131003415 | 131012415 |
| Base 6 | 24253416 | 24300256 |
| Base 7 | 10425527 | 10430547 |
| Base 8 | 3723358 | 3725018 |
| Base 9 | 2147879 | 2150189 |
| Base 10 | 12822110 | 12832110 |
| Base 11 | 8837511 | 8845611 |
| Base 12 | 6225112 | 6231512 |
| Base 13 | 4649213 | 4653b13 |
| Base 14 | 34a2914 | 34a9b14 |
| Base 15 | 27ed115 | 2804b15 |
| Base 16 | 1f4dd16 | 1f54116 |