Compare 30491 vs 31957
| Property | 30491 | 31957 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 304911 | 319571 |
| Prime factorization | 30491 | 31957 |
| Divisors count | 2 | 2 |
| Divisors | 1, 30491 | 1, 31957 |
| Number of properties | 10 | 7 |
| Additive primes | 1490th | |
| Chen primes | 1573rd | |
| Emirps | 642nd | 695th |
| Good primes | 326th | 335th |
| Harmonic primes | 1228th | 1275th |
| Isolated primes | 2447th | |
| Long primes | 1250th | |
| Primes | 3291st | 3428th |
| Prime triplets (1st member) | 227th | |
| Pythagorean primes | 1703rd | |
| Sexy primes (1st member) | 963rd | 1001st |
| Twin primes (1st member) | 474th | |
| Roman numberals | ||
| Base 2 | 1110111000110112 | 1111100110101012 |
| Base 3 | 11122110223 | 11212111213 |
| Base 4 | 131301234 | 133031114 |
| Base 5 | 14334315 | 20103125 |
| Base 6 | 3530556 | 4035416 |
| Base 7 | 1546167 | 1621127 |
| Base 8 | 734338 | 763258 |
| Base 9 | 457389 | 477479 |
| Base 10 | 3049110 | 3195710 |
| Base 11 | 209aa11 | 2201211 |
| Base 12 | 1578b12 | 165b112 |
| Base 13 | 10b5613 | 1171313 |
| Base 14 | b17d14 | b90914 |
| Base 15 | 907b15 | 970715 |
| Base 16 | 771b16 | 7cd516 |