Compare 8101 vs 8221
| Property | 8101 | 8221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 81011 | 82211 |
| Prime factorization | 8101 | 8221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8101 | 1, 8221 |
| Number of properties | 5 | 7 |
| Additive primes | 505th | |
| Chen primes | 554th | |
| Isolated primes | 666th | |
| Lucky primes | 187th | |
| Primes | 1019th | 1031st |
| Pythagorean primes | 507th | 511th |
| Super primes | 171st | 173rd |
| Twin primes (2nd member) | 178th | |
| Ulam primes | 74th | |
| Roman numberals | ||
| Base 2 | 11111101001012 | 100000000111012 |
| Base 3 | 1020100013 | 1020211113 |
| Base 4 | 13322114 | 20001314 |
| Base 5 | 2244015 | 2303415 |
| Base 6 | 1013016 | 1020216 |
| Base 7 | 324227 | 326537 |
| Base 8 | 176458 | 200358 |
| Base 9 | 121019 | 122449 |
| Base 10 | 810110 | 822110 |
| Base 11 | 60a511 | 61a411 |
| Base 12 | 483112 | 491112 |
| Base 13 | 38c213 | 398513 |
| Base 14 | 2d4914 | 2dd314 |
| Base 15 | 260115 | 268115 |
| Base 16 | 1fa516 | 201d16 |