Compare 21611 vs 21871
| Property | 21611 | 21871 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 216111 | 218711 |
| Prime factorization | 21611 | 21871 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21611 | 1, 21871 |
| Number of properties | 8 | 3 |
| Additive primes | 1125th | 1135th |
| Chen primes | 1191st | |
| Isolated primes | 1711th | |
| Long primes | 916th | |
| Primes | 2427th | 2454th |
| Prime triplets (1st member) | 185th | |
| Sexy primes (1st member) | 738th | |
| Sophie germain primes | 350th | |
| Twin primes (1st member) | 369th | |
| Roman numberals | ||
| Base 2 | 1010100011010112 | 1010101011011112 |
| Base 3 | 10021221023 | 10100000013 |
| Base 4 | 111012234 | 111112334 |
| Base 5 | 11424215 | 11444415 |
| Base 6 | 2440156 | 2451316 |
| Base 7 | 1200027 | 1205237 |
| Base 8 | 521538 | 525578 |
| Base 9 | 325729 | 330019 |
| Base 10 | 2161110 | 2187110 |
| Base 11 | 1526711 | 1548311 |
| Base 12 | 1060b12 | 107a712 |
| Base 13 | 9ab513 | 9c5513 |
| Base 14 | 7c3914 | 7d8314 |
| Base 15 | 660b15 | 673115 |
| Base 16 | 546b16 | 556f16 |