Compare 18661 vs 19013
| Property | 18661 | 19013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 186611 | 190131 |
| Prime factorization | 18661 | 19013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18661 | 1, 19013 |
| Number of properties | 7 | 9 |
| Centered square primes | 34th | |
| Chen primes | 1054th | 1072nd |
| Cousin primes (2nd member) | 336th | |
| Emirps | 593rd | |
| Harmonic primes | 779th | |
| Isolated primes | 1482nd | 1508th |
| Long primes | 816th | |
| Lucky primes | 348th | |
| Primes | 2131st | 2161st |
| Pythagorean primes | 1057th | 1071st |
| Super primes | 321st | 326th |
| Roman numberals | ||
| Base 2 | 1001000111001012 | 1001010010001012 |
| Base 3 | 2211210113 | 2220020123 |
| Base 4 | 102032114 | 102210114 |
| Base 5 | 10441215 | 11020235 |
| Base 6 | 2222216 | 2240056 |
| Base 7 | 1052567 | 1063017 |
| Base 8 | 443458 | 451058 |
| Base 9 | 275349 | 280659 |
| Base 10 | 1866110 | 1901310 |
| Base 11 | 1302511 | 1331511 |
| Base 12 | a97112 | b00512 |
| Base 13 | 865613 | 886713 |
| Base 14 | 6b2d14 | 6d0114 |
| Base 15 | 57e115 | 597815 |
| Base 16 | 48e516 | 4a4516 |