Compare 30491 vs 31511
| Property | 30491 | 31511 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 304911 | 315111 |
| Prime factorization | 30491 | 31511 |
| Divisors count | 2 | 2 |
| Divisors | 1, 30491 | 1, 31511 |
| Number of properties | 10 | 6 |
| Additive primes | 1490th | 1535th |
| Chen primes | 1573rd | 1618th |
| Emirps | 642nd | |
| Good primes | 326th | |
| Harmonic primes | 1228th | |
| Long primes | 1250th | |
| Primes | 3291st | 3390th |
| Prime triplets (1st member) | 227th | 234th |
| Sexy primes (1st member) | 963rd | 992nd |
| Twin primes (1st member) | 474th | 486th |
| Roman numberals | ||
| Base 2 | 1110111000110112 | 1111011000101112 |
| Base 3 | 11122110223 | 11210200023 |
| Base 4 | 131301234 | 132301134 |
| Base 5 | 14334315 | 20020215 |
| Base 6 | 3530556 | 4015156 |
| Base 7 | 1546167 | 1606047 |
| Base 8 | 734338 | 754278 |
| Base 9 | 457389 | 472029 |
| Base 10 | 3049110 | 3151110 |
| Base 11 | 209aa11 | 2174711 |
| Base 12 | 1578b12 | 1629b12 |
| Base 13 | 10b5613 | 1145c13 |
| Base 14 | b17d14 | b6ab14 |
| Base 15 | 907b15 | 950b15 |
| Base 16 | 771b16 | 7b1716 |