Compare 18911 vs 19991
Property | 18911 | 19991 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 189111 | 199911 |
Prime factorization | 18911 | 19991 |
Divisors count | 2 | 2 |
Divisors | 1, 18911 | 1, 19991 |
Number of properties | 10 | 9 |
Additive primes | 1049th | |
Centered decagonal primes | 32nd | |
Chen primes | 1066th | 1111th |
Emirps | 590th | |
Good primes | 247th | |
Harmonic primes | 775th | 820th |
Palindromic primes | 46th | |
Primes | 2151st | 2260th |
Prime quadruplets (1st member) | 18th | |
Prime triplets (1st member) | 161st | 168th |
Sexy primes (1st member) | 658th | 693rd |
Sophie germain primes | 326th | |
Twin primes (1st member) | 326th | 342nd |
Roman numberals | ||
Base 2 | 1001001110111112 | 1001110000101112 |
Base 3 | 2212211023 | 10001021023 |
Base 4 | 102131334 | 103201134 |
Base 5 | 11011215 | 11144315 |
Base 6 | 2233156 | 2323156 |
Base 7 | 1060647 | 1121667 |
Base 8 | 447378 | 470278 |
Base 9 | 278429 | 303729 |
Base 10 | 1891110 | 1999110 |
Base 11 | 1323211 | 1402411 |
Base 12 | ab3b12 | b69b12 |
Base 13 | 87b913 | 913a13 |
Base 14 | 6c6b14 | 73dd14 |
Base 15 | 590b15 | 5dcb15 |
Base 16 | 49df16 | 4e1716 |