Compare 30491 vs 31139
| Property | 30491 | 31139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 304911 | 311391 |
| Prime factorization | 30491 | 31139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 30491 | 1, 31139 |
| Number of properties | 10 | 7 |
| Additive primes | 1490th | 1515th |
| Chen primes | 1573rd | |
| Emirps | 642nd | 669th |
| Good primes | 326th | 333rd |
| Harmonic primes | 1228th | |
| Isolated primes | 2394th | |
| Long primes | 1250th | 1271st |
| Primes | 3291st | 3353rd |
| Prime triplets (1st member) | 227th | |
| Safe primes | 272nd | |
| Sexy primes (1st member) | 963rd | |
| Twin primes (1st member) | 474th | |
| Roman numberals | ||
| Base 2 | 1110111000110112 | 1111001101000112 |
| Base 3 | 11122110223 | 11202010223 |
| Base 4 | 131301234 | 132122034 |
| Base 5 | 14334315 | 14440245 |
| Base 6 | 3530556 | 4000556 |
| Base 7 | 1546167 | 1565337 |
| Base 8 | 734338 | 746438 |
| Base 9 | 457389 | 466389 |
| Base 10 | 3049110 | 3113910 |
| Base 11 | 209aa11 | 2143911 |
| Base 12 | 1578b12 | 1602b12 |
| Base 13 | 10b5613 | 1123413 |
| Base 14 | b17d14 | b4c314 |
| Base 15 | 907b15 | 935e15 |
| Base 16 | 771b16 | 79a316 |