Compare 18311 vs 18321
| Property | 18311 | 18321 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 183111 | 31 × 311 × 1971 |
| Prime factorization | 18311 | 3 × 31 × 197 |
| Divisors count | 2 | 8 |
| Divisors | 1, 18311 | 1, 3, 31, 93, 197, 591, 6107, 18321 |
| Number of properties | 7 | 0 |
| Chen primes | 1039th | |
| Cousin primes (2nd member) | 327th | |
| Harmonic primes | 759th | |
| Primes | 2099th | |
| Prime triplets (2nd member) | 159th | |
| Super primes | 317th | |
| Twin primes (1st member) | 323rd | |
| Roman numberals | ||
| Base 2 | 1000111100001112 | 1000111100100012 |
| Base 3 | 2210100123 | 2210101203 |
| Base 4 | 101320134 | 101321014 |
| Base 5 | 10412215 | 10412415 |
| Base 6 | 2204356 | 2204536 |
| Base 7 | 1042467 | 1042627 |
| Base 8 | 436078 | 436218 |
| Base 9 | 271059 | 271169 |
| Base 10 | 1831110 | 1832110 |
| Base 11 | 1283711 | 1284611 |
| Base 12 | a71b12 | a72912 |
| Base 13 | 844713 | 845413 |
| Base 14 | 695d14 | 696914 |
| Base 15 | 565b15 | 566615 |
| Base 16 | 478716 | 479116 |