Compare 18427 vs 19421
Property | 18427 | 19421 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 184271 | 194211 |
Prime factorization | 18427 | 19421 |
Divisors count | 2 | 2 |
Divisors | 1, 18427 | 1, 19421 |
Number of properties | 8 | 18 |
Additive primes | 1021st | |
Chen primes | 1044th | 1088th |
Cousin primes (2nd member) | 340th | |
Emirps | 571st | 605th |
Good primes | 254th | |
Happy primes | 371st | |
Harmonic primes | 762nd | |
Isolated primes | 1465th | |
Long primes | 838th | |
Primes | 2110th | 2199th |
Prime quadruplets (1st member) | 19th | |
Prime quintuplet 1s (2nd member) | 8th | |
Prime quintuplet 2s (1st member) | 6th | |
Prime sextuplets (2nd member) | 4th | |
Prime triplets (1st member) | 165th | |
Prime triplets (2nd member) | 164th | |
Pythagorean primes | 1091st | |
Sexy primes (1st member) | 649th | 672nd |
Sexy prime triplets (1st member) | 182nd | 185th |
Twin primes (1st member) | 333rd | |
Ulam primes | 155th | |
Roman numberals | ||
Base 2 | 1000111111110112 | 1001011110111012 |
Base 3 | 2210211113 | 2221220223 |
Base 4 | 101333234 | 102331314 |
Base 5 | 10422025 | 11101415 |
Base 6 | 2211516 | 2255256 |
Base 7 | 1045037 | 1104237 |
Base 8 | 437738 | 457358 |
Base 9 | 272449 | 285689 |
Base 10 | 1842710 | 1942110 |
Base 11 | 1293211 | 1365611 |
Base 12 | a7b712 | b2a512 |
Base 13 | 850613 | 8abc13 |
Base 14 | 6a0314 | 711314 |
Base 15 | 56d715 | 5b4b15 |
Base 16 | 47fb16 | 4bdd16 |