Compare 18427 vs 18691
| Property | 18427 | 18691 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 184271 | 186911 |
| Prime factorization | 18427 | 18691 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18427 | 1, 18691 |
| Number of properties | 8 | 4 |
| Chen primes | 1044th | |
| Emirps | 571st | 578th |
| Harmonic primes | 762nd | |
| Isolated primes | 1465th | 1485th |
| Long primes | 817th | |
| Primes | 2110th | 2134th |
| Sexy primes (1st member) | 649th | |
| Sexy prime triplets (1st member) | 182nd | |
| Ulam primes | 155th | |
| Roman numberals | ||
| Base 2 | 1000111111110112 | 1001001000000112 |
| Base 3 | 2210211113 | 2211220213 |
| Base 4 | 101333234 | 102100034 |
| Base 5 | 10422025 | 10442315 |
| Base 6 | 2211516 | 2223116 |
| Base 7 | 1045037 | 1053317 |
| Base 8 | 437738 | 444038 |
| Base 9 | 272449 | 275679 |
| Base 10 | 1842710 | 1869110 |
| Base 11 | 1293211 | 1305211 |
| Base 12 | a7b712 | a99712 |
| Base 13 | 850613 | 867a13 |
| Base 14 | 6a0314 | 6b5114 |
| Base 15 | 56d715 | 581115 |
| Base 16 | 47fb16 | 490316 |