Compare 30491 vs 30781
| Property | 30491 | 30781 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 304911 | 307811 |
| Prime factorization | 30491 | 30781 |
| Divisors count | 2 | 2 |
| Divisors | 1, 30491 | 1, 30781 |
| Number of properties | 10 | 7 |
| Additive primes | 1490th | 1503rd |
| Chen primes | 1573rd | |
| Emirps | 642nd | |
| Good primes | 326th | |
| Harmonic primes | 1228th | |
| Isolated primes | 2370th | |
| Long primes | 1250th | 1257th |
| Primes | 3291st | 3319th |
| Prime triplets (1st member) | 227th | |
| Pythagorean primes | 1651st | |
| Sexy primes (1st member) | 963rd | |
| Super primes | 467th | |
| Twin primes (1st member) | 474th | |
| Ulam primes | 252nd | |
| Roman numberals | ||
| Base 2 | 1110111000110112 | 1111000001111012 |
| Base 3 | 11122110223 | 11200200013 |
| Base 4 | 131301234 | 132003314 |
| Base 5 | 14334315 | 14411115 |
| Base 6 | 3530556 | 3543016 |
| Base 7 | 1546167 | 1555127 |
| Base 8 | 734338 | 740758 |
| Base 9 | 457389 | 462019 |
| Base 10 | 3049110 | 3078110 |
| Base 11 | 209aa11 | 2114311 |
| Base 12 | 1578b12 | 1599112 |
| Base 13 | 10b5613 | 1101a13 |
| Base 14 | b17d14 | b30914 |
| Base 15 | 907b15 | 91c115 |
| Base 16 | 771b16 | 783d16 |