Compare 8221 vs 8513
| Property | 8221 | 8513 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 82211 | 85131 |
| Prime factorization | 8221 | 8513 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8221 | 1, 8513 |
| Number of properties | 7 | 8 |
| Additive primes | 505th | 516th |
| Chen primes | 554th | |
| Good primes | 156th | |
| Isolated primes | 698th | |
| Long primes | 412th | |
| Lucky primes | 187th | |
| Primes | 1031st | 1061st |
| Pythagorean primes | 511th | 527th |
| Sophie germain primes | 173rd | |
| Super primes | 173rd | 178th |
| Twin primes (2nd member) | 178th | |
| Roman numberals | ||
| Base 2 | 100000000111012 | 100001010000012 |
| Base 3 | 1020211113 | 1022000223 |
| Base 4 | 20001314 | 20110014 |
| Base 5 | 2303415 | 2330235 |
| Base 6 | 1020216 | 1032256 |
| Base 7 | 326537 | 335517 |
| Base 8 | 200358 | 205018 |
| Base 9 | 122449 | 126089 |
| Base 10 | 822110 | 851310 |
| Base 11 | 61a411 | 643a11 |
| Base 12 | 491112 | 4b1512 |
| Base 13 | 398513 | 3b4b13 |
| Base 14 | 2dd314 | 316114 |
| Base 15 | 268115 | 27c815 |
| Base 16 | 201d16 | 214116 |