Compare 28655 vs 28661
| Property | 28655 | 28661 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 111 × 5211 | 286611 |
| Prime factorization | 5 × 11 × 521 | 28661 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 11, 55, 521, 2605, 5731, 28655 | 1, 28661 |
| Number of properties | 0 | 8 |
| Additive primes | 1426th | |
| Chen primes | 1512th | |
| Cousin primes (2nd member) | 455th | |
| Long primes | 1187th | |
| Primes | 3122nd | |
| Prime triplets (2nd member) | 221st | |
| Pythagorean primes | 1553rd | |
| Twin primes (1st member) | 457th | |
| Roman numberals | ||
| Base 2 | 1101111111011112 | 1101111111101012 |
| Base 3 | 11100220223 | 11100221123 |
| Base 4 | 123332334 | 123333114 |
| Base 5 | 14041105 | 14041215 |
| Base 6 | 3403556 | 3404056 |
| Base 7 | 1463547 | 1463637 |
| Base 8 | 677578 | 677658 |
| Base 9 | 432689 | 432759 |
| Base 10 | 2865510 | 2866110 |
| Base 11 | 1a59011 | 1a59611 |
| Base 12 | 146bb12 | 1470512 |
| Base 13 | 1007313 | 1007913 |
| Base 14 | a62b14 | a63314 |
| Base 15 | 875515 | 875b15 |
| Base 16 | 6fef16 | 6ff516 |