Compare 256981 vs 257399
| Property | 256981 | 257399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2569811 | 2573991 |
| Prime factorization | 256981 | 257399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 256981 | 1, 257399 |
| Number of properties | 5 | 3 |
| Additive primes | 9133rd | |
| Chen primes | 9339th | 9349th |
| Isolated primes | 17316th | |
| Long primes | 8457th | |
| Primes | 22597th | 22629th |
| Twin primes (1st member) | 2644th | |
| Roman numberals | ||
| Base 2 | 1111101011110101012 | 1111101101011101112 |
| Base 3 | 1110011112113 | 1110020020223 |
| Base 4 | 3322331114 | 3323113134 |
| Base 5 | 312104115 | 312140445 |
| Base 6 | 53014216 | 53033556 |
| Base 7 | 21201347 | 21213027 |
| Base 8 | 7657258 | 7665678 |
| Base 9 | 4314549 | 4320689 |
| Base 10 | 25698110 | 25739910 |
| Base 11 | 16608a11 | 16642a11 |
| Base 12 | 10487112 | 104b5b12 |
| Base 13 | 8cc7a13 | 9020c13 |
| Base 14 | 6991b14 | 69b3914 |
| Base 15 | 5122115 | 513ee15 |
| Base 16 | 3ebd516 | 3ed7716 |