Compare 13121 vs 13187
| Property | 13121 | 13187 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 131211 | 131871 |
| Prime factorization | 13121 | 13187 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13121 | 1, 13187 |
| Number of properties | 7 | 4 |
| Chen primes | 791st | |
| Class 1+ primes | 27th | |
| Cousin primes (2nd member) | 255th | |
| Harmonic primes | 563rd | |
| Isolated primes | 1066th | 1075th |
| Pierpont primes of the 2nd kind | 27th | |
| Primes | 1561st | 1570th |
| Pythagorean primes | 774th | |
| Sexy primes (1st member) | 502nd | |
| Roman numberals | ||
| Base 2 | 110011010000012 | 110011100000112 |
| Base 3 | 1222222223 | 2000021023 |
| Base 4 | 30310014 | 30320034 |
| Base 5 | 4044415 | 4102225 |
| Base 6 | 1404256 | 1410156 |
| Base 7 | 531537 | 533067 |
| Base 8 | 315018 | 316038 |
| Base 9 | 188889 | 200729 |
| Base 10 | 1312110 | 1318710 |
| Base 11 | 994911 | 99a911 |
| Base 12 | 771512 | 776b12 |
| Base 13 | 5c8413 | 600513 |
| Base 14 | 4ad314 | 4b3d14 |
| Base 15 | 3d4b15 | 3d9215 |
| Base 16 | 334116 | 338316 |