Compare 681221 vs 682151
| Property | 681221 | 682151 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6812211 | 6821511 |
| Prime factorization | 681221 | 682151 |
| Divisors count | 2 | 2 |
| Divisors | 1, 681221 | 1, 682151 |
| Number of properties | 4 | 7 |
| Additive primes | 21535th | |
| Chen primes | 21539th | 21558th |
| Cousin primes (2nd member) | 5954th | |
| Isolated primes | 43270th | |
| Primes | 55155th | 55226th |
| Prime triplets (2nd member) | 2168th | |
| Sophie germain primes | 5597th | 5600th |
| Twin primes (1st member) | 5951st | |
| Roman numberals | ||
| Base 2 | 101001100101000001012 | 101001101000101001112 |
| Base 3 | 10211211101023 | 10211222012123 |
| Base 4 | 22121100114 | 22122022134 |
| Base 5 | 1332443415 | 1333121015 |
| Base 6 | 223334456 | 223420356 |
| Base 7 | 55350327 | 55405317 |
| Base 8 | 24624058 | 24642478 |
| Base 9 | 12474129 | 12486559 |
| Base 10 | 68122110 | 68215110 |
| Base 11 | 4258a211 | 42656811 |
| Base 12 | 28a28512 | 28a91b12 |
| Base 13 | 1ab0b813 | 1ab65213 |
| Base 14 | 13a38914 | 13a85114 |
| Base 15 | d6c9b15 | d71bb15 |
| Base 16 | a650516 | a68a716 |