Compare 128221 vs 128237
| Property | 128221 | 128237 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1282211 | 1282371 |
| Prime factorization | 128221 | 128237 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128221 | 1, 128237 |
| Number of properties | 4 | 5 |
| Additive primes | 4948th | |
| Chen primes | 5190th | |
| Isolated primes | 9013th | |
| Long primes | 4505th | |
| Primes | 12004th | 12005th |
| Pythagorean primes | 5968th | 5969th |
| Twin primes (1st member) | 1497th | |
| Roman numberals | ||
| Base 2 | 111110100110111012 | 111110100111011012 |
| Base 3 | 201112122213 | 201112201123 |
| Base 4 | 1331031314 | 1331032314 |
| Base 5 | 131003415 | 131004225 |
| Base 6 | 24253416 | 24254056 |
| Base 7 | 10425527 | 10426047 |
| Base 8 | 3723358 | 3723558 |
| Base 9 | 2147879 | 2148159 |
| Base 10 | 12822110 | 12823710 |
| Base 11 | 8837511 | 8838a11 |
| Base 12 | 6225112 | 6226512 |
| Base 13 | 4649213 | 464a513 |
| Base 14 | 34a2914 | 34a3b14 |
| Base 15 | 27ed115 | 27ee215 |
| Base 16 | 1f4dd16 | 1f4ed16 |