Compare 8221 vs 8222
| Property | 8221 | 8222 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 82211 | 21 × 41111 |
| Prime factorization | 8221 | 2 × 4111 |
| Divisors count | 2 | 4 |
| Divisors | 1, 8221 | 1, 2, 4111, 8222 |
| Number of properties | 7 | 1 |
| Additive primes | 505th | |
| Chen primes | 554th | |
| Lucky primes | 187th | |
| Primes | 1031st | |
| Pythagorean primes | 511th | |
| Semiprimes | 2194th | |
| Super primes | 173rd | |
| Twin primes (2nd member) | 178th | |
| Roman numberals | ||
| Base 2 | 100000000111012 | 100000000111102 |
| Base 3 | 1020211113 | 1020211123 |
| Base 4 | 20001314 | 20001324 |
| Base 5 | 2303415 | 2303425 |
| Base 6 | 1020216 | 1020226 |
| Base 7 | 326537 | 326547 |
| Base 8 | 200358 | 200368 |
| Base 9 | 122449 | 122459 |
| Base 10 | 822110 | 822210 |
| Base 11 | 61a411 | 61a511 |
| Base 12 | 491112 | 491212 |
| Base 13 | 398513 | 398613 |
| Base 14 | 2dd314 | 2dd414 |
| Base 15 | 268115 | 268215 |
| Base 16 | 201d16 | 201e16 |