Compare 256391 vs 256561
| Property | 256391 | 256561 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2563911 | 2565611 |
| Prime factorization | 256391 | 256561 |
| Divisors count | 2 | 2 |
| Divisors | 1, 256391 | 1, 256561 |
| Number of properties | 4 | 5 |
| Chen primes | 9323rd | |
| Harmonic primes | 8403rd | 8406th |
| Isolated primes | 17294th | |
| Primes | 22555th | 22567th |
| Sexy primes (1st member) | 5263rd | |
| Super primes | 2522nd | |
| Twin primes (1st member) | 2636th | |
| Roman numberals | ||
| Base 2 | 1111101001100001112 | 1111101010001100012 |
| Base 3 | 1110002002223 | 1110002210213 |
| Base 4 | 3322120134 | 3322203014 |
| Base 5 | 312010315 | 312022215 |
| Base 6 | 52545556 | 52554416 |
| Base 7 | 21153327 | 21156647 |
| Base 8 | 7646078 | 7650618 |
| Base 9 | 4306289 | 4308379 |
| Base 10 | 25639110 | 25656110 |
| Base 11 | 1656a311 | 16583811 |
| Base 12 | 10445b12 | 10458112 |
| Base 13 | 8c91513 | 8ca1613 |
| Base 14 | 6961914 | 696db14 |
| Base 15 | 50e7b15 | 5104115 |
| Base 16 | 3e98716 | 3ea3116 |