Compare 18131 vs 18917
| Property | 18131 | 18917 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 181311 | 189171 |
| Prime factorization | 18131 | 18917 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18131 | 1, 18917 |
| Number of properties | 6 | 10 |
| Chen primes | 1032nd | 1067th |
| Cousin primes (2nd member) | 324th | 335th |
| Primes | 2078th | 2153rd |
| Prime quadruplets (3rd member) | 18th | |
| Prime triplets (2nd member) | 157th | 162nd |
| Prime triplets (3rd member) | 161st | |
| Pythagorean primes | 1067th | |
| Sexy primes (2nd member) | 658th | |
| Sophie germain primes | 301st | |
| Super primes | 325th | |
| Twin primes (1st member) | 320th | 327th |
| Roman numberals | ||
| Base 2 | 1000110110100112 | 1001001111001012 |
| Base 3 | 2202121123 | 2212211223 |
| Base 4 | 101231034 | 102132114 |
| Base 5 | 10400115 | 11011325 |
| Base 6 | 2155356 | 2233256 |
| Base 7 | 1036017 | 1061037 |
| Base 8 | 433238 | 447458 |
| Base 9 | 267759 | 278489 |
| Base 10 | 1813110 | 1891710 |
| Base 11 | 1269311 | 1323811 |
| Base 12 | a5ab12 | ab4512 |
| Base 13 | 833913 | 87c213 |
| Base 14 | 687114 | 6c7314 |
| Base 15 | 558b15 | 591215 |
| Base 16 | 46d316 | 49e516 |