Compare 255649 vs 255661
| Property | 255649 | 255661 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2556491 | 71 × 365231 |
| Prime factorization | 255649 | 7 × 36523 |
| Divisors count | 2 | 4 |
| Divisors | 1, 255649 | 1, 7, 36523, 255661 |
| Number of properties | 4 | 1 |
| Additive primes | 9099th | |
| Cousin primes (1st member) | 2627th | |
| Isolated primes | 17238th | |
| Primes | 22495th | |
| Semiprimes | 57131st | |
| Roman numberals | ||
| Base 2 | 1111100110101000012 | 1111100110101011012 |
| Base 3 | 1102222001113 | 1102222002213 |
| Base 4 | 3321222014 | 3321222314 |
| Base 5 | 311400445 | 311401215 |
| Base 6 | 52513216 | 52513416 |
| Base 7 | 21132227 | 21132407 |
| Base 8 | 7632418 | 7632558 |
| Base 9 | 4286149 | 4286279 |
| Base 10 | 25564910 | 25566110 |
| Base 11 | 16508911 | 16509a11 |
| Base 12 | 103b4112 | 103b5112 |
| Base 13 | 8c49413 | 8c4a313 |
| Base 14 | 6924914 | 6925714 |
| Base 15 | 50b3415 | 50b4115 |
| Base 16 | 3e6a116 | 3e6ad16 |