Compare 21183 vs 21191
| Property | 21183 | 21191 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 231 × 3071 | 211911 |
| Prime factorization | 3 × 23 × 307 | 21191 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 23, 69, 307, 921, 7061, 21183 | 1, 21191 |
| Number of properties | 0 | 7 |
| Chen primes | 1171st | |
| Cousin primes (2nd member) | 361st | |
| Primes | 2383rd | |
| Prime triplets (2nd member) | 178th | |
| Super primes | 354th | |
| Twin primes (1st member) | 361st | |
| Ulam primes | 179th | |
| Roman numberals | ||
| Base 2 | 1010010101111112 | 1010010110001112 |
| Base 3 | 10020011203 | 10020012123 |
| Base 4 | 110223334 | 110230134 |
| Base 5 | 11342135 | 11342315 |
| Base 6 | 2420236 | 2420356 |
| Base 7 | 1155217 | 1155327 |
| Base 8 | 512778 | 513078 |
| Base 9 | 320469 | 320559 |
| Base 10 | 2118310 | 2119110 |
| Base 11 | 14a0811 | 14a1511 |
| Base 12 | 1031312 | 1031b12 |
| Base 13 | 984613 | 985113 |
| Base 14 | 7a1114 | 7a1914 |
| Base 15 | 642315 | 642b15 |
| Base 16 | 52bf16 | 52c716 |