Compare 8191 vs 8221
Property | 8191 | 8221 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 81911 | 82211 |
Prime factorization | 8191 | 8221 |
Divisors count | 2 | 2 |
Divisors | 1, 8191 | 1, 8221 |
Number of properties | 10 | 7 |
Additive primes | 503rd | 505th |
Chen primes | 552nd | 554th |
Class 1+ primes | 25th | |
Harmonic primes | 377th | |
Isolated primes | 675th | |
Lucky primes | 186th | 187th |
Mersenne primes | 5th | |
Pierpont primes of the 2nd kind | 25th | |
Primes | 1028th | 1031st |
Pythagorean primes | 511th | |
Solinas primes | 76th | |
Super primes | 173rd | |
Twin primes (2nd member) | 178th | |
Roman numberals | ||
Base 2 | 11111111111112 | 100000000111012 |
Base 3 | 1020201013 | 1020211113 |
Base 4 | 13333334 | 20001314 |
Base 5 | 2302315 | 2303415 |
Base 6 | 1015316 | 1020216 |
Base 7 | 326117 | 326537 |
Base 8 | 177778 | 200358 |
Base 9 | 122119 | 122449 |
Base 10 | 819110 | 822110 |
Base 11 | 617711 | 61a411 |
Base 12 | 48a712 | 491112 |
Base 13 | 396113 | 398513 |
Base 14 | 2db114 | 2dd314 |
Base 15 | 266115 | 268115 |
Base 16 | 1fff16 | 201d16 |