Compare 21611 vs 21612
| Property | 21611 | 21612 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 216111 | 22 × 31 × 18011 |
| Prime factorization | 21611 | 2 × 2 × 3 × 1801 |
| Divisors count | 2 | 12 |
| Divisors | 1, 21611 | 1, 2, 3, 4, 6, 12, 1801, 3602, 5403, 7204, 10806, 21612 |
| Number of properties | 8 | 0 |
| Additive primes | 1125th | |
| Chen primes | 1191st | |
| Long primes | 916th | |
| Primes | 2427th | |
| Prime triplets (1st member) | 185th | |
| Sexy primes (1st member) | 738th | |
| Sophie germain primes | 350th | |
| Twin primes (1st member) | 369th | |
| Roman numberals | ||
| Base 2 | 1010100011010112 | 1010100011011002 |
| Base 3 | 10021221023 | 10021221103 |
| Base 4 | 111012234 | 111012304 |
| Base 5 | 11424215 | 11424225 |
| Base 6 | 2440156 | 2440206 |
| Base 7 | 1200027 | 1200037 |
| Base 8 | 521538 | 521548 |
| Base 9 | 325729 | 325739 |
| Base 10 | 2161110 | 2161210 |
| Base 11 | 1526711 | 1526811 |
| Base 12 | 1060b12 | 1061012 |
| Base 13 | 9ab513 | 9ab613 |
| Base 14 | 7c3914 | 7c3a14 |
| Base 15 | 660b15 | 660c15 |
| Base 16 | 546b16 | 546c16 |