Compare 681248 vs 681257
| Property | 681248 | 681257 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 25 × 611 × 3491 | 6812571 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 61 × 349 | 681257 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 4, 8, 16, 32, 61, 122, 244, 349, 488, 698, 976, 1396, 1952, 2792, 5584, 11168, 21289, 42578, 85156, 170312, 340624, 681248 | 1, 681257 |
| Number of properties | 0 | 9 |
| Additive primes | 21513th | |
| Chen primes | 21541st | |
| Cousin primes (2nd member) | 5945th | |
| Primes | 55159th | |
| Prime quadruplets (3rd member) | 132nd | |
| Prime triplets (2nd member) | 2165th | |
| Prime triplets (3rd member) | 2164th | |
| Sexy primes (2nd member) | 11864th | |
| Twin primes (1st member) | 5945th | |
| Roman numberals | ||
| Base 2 | 101001100101001000002 | 101001100101001010012 |
| Base 3 | 10211211111023 | 10211211112023 |
| Base 4 | 22121102004 | 22121102214 |
| Base 5 | 1332444435 | 1333000125 |
| Base 6 | 223335326 | 223335456 |
| Base 7 | 55351017 | 55351137 |
| Base 8 | 24624408 | 24624518 |
| Base 9 | 12474429 | 12474529 |
| Base 10 | 68124810 | 68125710 |
| Base 11 | 42591711 | 42592511 |
| Base 12 | 28a2a812 | 28a2b512 |
| Base 13 | 1ab10913 | 1ab11513 |
| Base 14 | 13a3a814 | 13a3b314 |
| Base 15 | d6cb815 | d6cc215 |
| Base 16 | a652016 | a652916 |