Compare 18521 vs 18913
| Property | 18521 | 18913 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 185211 | 189131 |
| Prime factorization | 18521 | 18913 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18521 | 1, 18913 |
| Number of properties | 8 | 11 |
| Additive primes | 994th | |
| Chen primes | 1049th | |
| Cousin primes (1st member) | 335th | |
| Cousin primes (2nd member) | 332nd | |
| Emirps | 591st | |
| Harmonic primes | 766th | 776th |
| Long primes | 825th | |
| Primes | 2121st | 2152nd |
| Prime quadruplets (2nd member) | 18th | |
| Prime triplets (1st member) | 162nd | |
| Prime triplets (2nd member) | 160th | 161st |
| Pythagorean primes | 1051st | 1066th |
| Sexy primes (1st member) | 659th | |
| Twin primes (1st member) | 324th | |
| Twin primes (2nd member) | 326th | |
| Roman numberals | ||
| Base 2 | 1001000010110012 | 1001001111000012 |
| Base 3 | 2211012223 | 2212211113 |
| Base 4 | 102011214 | 102132014 |
| Base 5 | 10430415 | 11011235 |
| Base 6 | 2214256 | 2233216 |
| Base 7 | 1046667 | 1060667 |
| Base 8 | 441318 | 447418 |
| Base 9 | 273589 | 278449 |
| Base 10 | 1852110 | 1891310 |
| Base 11 | 12a0811 | 1323411 |
| Base 12 | a87512 | ab4112 |
| Base 13 | 857913 | 87bb13 |
| Base 14 | 6a6d14 | 6c6d14 |
| Base 15 | 574b15 | 590d15 |
| Base 16 | 485916 | 49e116 |