Compare 8147 vs 8221
| Property | 8147 | 8221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 81471 | 82211 |
| Prime factorization | 8147 | 8221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 8147 | 1, 8221 |
| Number of properties | 5 | 7 |
| Additive primes | 505th | |
| Chen primes | 550th | 554th |
| Happy primes | 176th | |
| Isolated primes | 670th | |
| Lucky primes | 187th | |
| Primes | 1023rd | 1031st |
| Pythagorean primes | 511th | |
| Safe primes | 103rd | |
| Super primes | 173rd | |
| Twin primes (2nd member) | 178th | |
| Roman numberals | ||
| Base 2 | 11111110100112 | 100000000111012 |
| Base 3 | 1020112023 | 1020211113 |
| Base 4 | 13331034 | 20001314 |
| Base 5 | 2300425 | 2303415 |
| Base 6 | 1014156 | 1020216 |
| Base 7 | 325167 | 326537 |
| Base 8 | 177238 | 200358 |
| Base 9 | 121529 | 122449 |
| Base 10 | 814710 | 822110 |
| Base 11 | 613711 | 61a411 |
| Base 12 | 486b12 | 491112 |
| Base 13 | 392913 | 398513 |
| Base 14 | 2d7d14 | 2dd314 |
| Base 15 | 263215 | 268115 |
| Base 16 | 1fd316 | 201d16 |