Compare 18911 vs 19421
Property | 18911 | 19421 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 189111 | 194211 |
Prime factorization | 18911 | 19421 |
Divisors count | 2 | 2 |
Divisors | 1, 18911 | 1, 19421 |
Number of properties | 10 | 18 |
Additive primes | 1021st | |
Centered decagonal primes | 32nd | |
Chen primes | 1066th | 1088th |
Cousin primes (2nd member) | 340th | |
Emirps | 590th | 605th |
Good primes | 247th | 254th |
Happy primes | 371st | |
Harmonic primes | 775th | |
Long primes | 838th | |
Primes | 2151st | 2199th |
Prime quadruplets (1st member) | 18th | 19th |
Prime quintuplet 1s (2nd member) | 8th | |
Prime quintuplet 2s (1st member) | 6th | |
Prime sextuplets (2nd member) | 4th | |
Prime triplets (1st member) | 161st | 165th |
Prime triplets (2nd member) | 164th | |
Pythagorean primes | 1091st | |
Sexy primes (1st member) | 658th | 672nd |
Sexy prime triplets (1st member) | 185th | |
Twin primes (1st member) | 326th | 333rd |
Roman numberals | ||
Base 2 | 1001001110111112 | 1001011110111012 |
Base 3 | 2212211023 | 2221220223 |
Base 4 | 102131334 | 102331314 |
Base 5 | 11011215 | 11101415 |
Base 6 | 2233156 | 2255256 |
Base 7 | 1060647 | 1104237 |
Base 8 | 447378 | 457358 |
Base 9 | 278429 | 285689 |
Base 10 | 1891110 | 1942110 |
Base 11 | 1323211 | 1365611 |
Base 12 | ab3b12 | b2a512 |
Base 13 | 87b913 | 8abc13 |
Base 14 | 6c6b14 | 711314 |
Base 15 | 590b15 | 5b4b15 |
Base 16 | 49df16 | 4bdd16 |