Compare 18661 vs 19081
| Property | 18661 | 19081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 186611 | 190811 |
| Prime factorization | 18661 | 19081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18661 | 1, 19081 |
| Number of properties | 7 | 8 |
| Additive primes | 1010th | |
| Chen primes | 1054th | 1076th |
| Harmonic primes | 783rd | |
| Isolated primes | 1482nd | |
| Long primes | 816th | |
| Lucky primes | 348th | 354th |
| Primes | 2131st | 2168th |
| Pythagorean primes | 1057th | 1075th |
| Sexy primes (1st member) | 663rd | |
| Super primes | 321st | |
| Twin primes (2nd member) | 328th | |
| Roman numberals | ||
| Base 2 | 1001000111001012 | 1001010100010012 |
| Base 3 | 2211210113 | 2220112013 |
| Base 4 | 102032114 | 102220214 |
| Base 5 | 10441215 | 11023115 |
| Base 6 | 2222216 | 2242016 |
| Base 7 | 1052567 | 1064267 |
| Base 8 | 443458 | 452118 |
| Base 9 | 275349 | 281519 |
| Base 10 | 1866110 | 1908110 |
| Base 11 | 1302511 | 1337711 |
| Base 12 | a97112 | b06112 |
| Base 13 | 865613 | 88ba13 |
| Base 14 | 6b2d14 | 6d4d14 |
| Base 15 | 57e115 | 59c115 |
| Base 16 | 48e516 | 4a8916 |