Compare 256561 vs 257221
| Property | 256561 | 257221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2565611 | 2572211 |
| Prime factorization | 256561 | 257221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 256561 | 1, 257221 |
| Number of properties | 5 | 7 |
| Additive primes | 9138th | |
| Harmonic primes | 8406th | 8418th |
| Isolated primes | 17294th | |
| Long primes | 8464th | |
| Lucky primes | 2813th | |
| Primes | 22567th | 22613th |
| Sexy primes (1st member) | 5263rd | |
| Super primes | 2522nd | 2525th |
| Twin primes (2nd member) | 2642nd | |
| Roman numberals | ||
| Base 2 | 1111101010001100012 | 1111101100110001012 |
| Base 3 | 1110002210213 | 1110012112013 |
| Base 4 | 3322203014 | 3323030114 |
| Base 5 | 312022215 | 312123415 |
| Base 6 | 52554416 | 53025016 |
| Base 7 | 21156647 | 21206267 |
| Base 8 | 7650618 | 7663058 |
| Base 9 | 4308379 | 4317519 |
| Base 10 | 25656110 | 25722110 |
| Base 11 | 16583811 | 16628811 |
| Base 12 | 10458112 | 104a3112 |
| Base 13 | 8ca1613 | 9010313 |
| Base 14 | 696db14 | 69a4d14 |
| Base 15 | 5104115 | 5133115 |
| Base 16 | 3ea3116 | 3ecc516 |