Compare 681221 vs 681361
| Property | 681221 | 681361 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6812211 | 6813611 |
| Prime factorization | 681221 | 681361 |
| Divisors count | 2 | 2 |
| Divisors | 1, 681221 | 1, 681361 |
| Number of properties | 4 | 3 |
| Chen primes | 21539th | |
| Isolated primes | 43270th | 43277th |
| Primes | 55155th | 55166th |
| Sexy primes (1st member) | 11866th | |
| Sophie germain primes | 5597th | |
| Roman numberals | ||
| Base 2 | 101001100101000001012 | 101001100101100100012 |
| Base 3 | 10211211101023 | 10211211221213 |
| Base 4 | 22121100114 | 22121121014 |
| Base 5 | 1332443415 | 1333004215 |
| Base 6 | 223334456 | 223342416 |
| Base 7 | 55350327 | 55353227 |
| Base 8 | 24624058 | 24626218 |
| Base 9 | 12474129 | 12475779 |
| Base 10 | 68122110 | 68136110 |
| Base 11 | 4258a211 | 425a0a11 |
| Base 12 | 28a28512 | 28a38112 |
| Base 13 | 1ab0b813 | 1ab19513 |
| Base 14 | 13a38914 | 13a44914 |
| Base 15 | d6c9b15 | d6d4115 |
| Base 16 | a650516 | a659116 |