Compare 681407 vs 681557
| Property | 681407 | 681557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6814071 | 6815571 |
| Prime factorization | 681407 | 681557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 681407 | 1, 681557 |
| Number of properties | 5 | 4 |
| Chen primes | 21544th | 21547th |
| Cousin primes (2nd member) | 5948th | |
| Isolated primes | 43288th | |
| Primes | 55170th | 55183rd |
| Prime triplets (2nd member) | 2166th | |
| Sexy primes (1st member) | 11870th | |
| Twin primes (1st member) | 5946th | |
| Roman numberals | ||
| Base 2 | 101001100101101111112 | 101001100110010101012 |
| Base 3 | 10211212010223 | 10211212202123 |
| Base 4 | 22121123334 | 22121211114 |
| Base 5 | 1333011125 | 1333022125 |
| Base 6 | 223343556 | 223352056 |
| Base 7 | 55354167 | 55360227 |
| Base 8 | 24626778 | 24631258 |
| Base 9 | 12476389 | 12478259 |
| Base 10 | 68140710 | 68155710 |
| Base 11 | 425a5111 | 42607811 |
| Base 12 | 28a3bb12 | 28a50512 |
| Base 13 | 1ab1cc13 | 1ab2b613 |
| Base 14 | 13a47d14 | 13a54914 |
| Base 15 | d6d7215 | d6e2215 |
| Base 16 | a65bf16 | a665516 |