Compare 680987 vs 681221
| Property | 680987 | 681221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6809871 | 6812211 |
| Prime factorization | 680987 | 681221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 680987 | 1, 681221 |
| Number of properties | 5 | 4 |
| Chen primes | 21533rd | 21539th |
| Isolated primes | 43270th | |
| Primes | 55136th | 55155th |
| Prime triplets (1st member) | 2163rd | |
| Sexy primes (1st member) | 11861st | |
| Sophie germain primes | 5597th | |
| Twin primes (1st member) | 5941st | |
| Roman numberals | ||
| Base 2 | 101001100100000110112 | 101001100101000001012 |
| Base 3 | 10211210102023 | 10211211101023 |
| Base 4 | 22121001234 | 22121100114 |
| Base 5 | 1332424225 | 1332443415 |
| Base 6 | 223324156 | 223334456 |
| Base 7 | 55342467 | 55350327 |
| Base 8 | 24620338 | 24624058 |
| Base 9 | 12471229 | 12474129 |
| Base 10 | 68098710 | 68122110 |
| Base 11 | 4256aa11 | 4258a211 |
| Base 12 | 28a10b12 | 28a28512 |
| Base 13 | 1aac6813 | 1ab0b813 |
| Base 14 | 13a25d14 | 13a38914 |
| Base 15 | d6b9215 | d6c9b15 |
| Base 16 | a641b16 | a650516 |