Compare 21181 vs 21193
| Property | 21181 | 21193 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 591 × 3591 | 211931 |
| Prime factorization | 59 × 359 | 21193 |
| Divisors count | 4 | 2 |
| Divisors | 1, 59, 359, 21181 | 1, 21193 |
| Number of properties | 1 | 7 |
| Lucky primes | 387th | |
| Primes | 2384th | |
| Prime triplets (3rd member) | 178th | |
| Pythagorean primes | 1183rd | |
| Semiprimes | 5369th | |
| Sexy primes (2nd member) | 722nd | |
| Twin primes (2nd member) | 361st | |
| Ulam primes | 180th | |
| Roman numberals | ||
| Base 2 | 1010010101111012 | 1010010110010012 |
| Base 3 | 10020011113 | 10020012213 |
| Base 4 | 110223314 | 110230214 |
| Base 5 | 11342115 | 11342335 |
| Base 6 | 2420216 | 2420416 |
| Base 7 | 1155167 | 1155347 |
| Base 8 | 512758 | 513118 |
| Base 9 | 320449 | 320579 |
| Base 10 | 2118110 | 2119310 |
| Base 11 | 14a0611 | 14a1711 |
| Base 12 | 1031112 | 1032112 |
| Base 13 | 984413 | 985313 |
| Base 14 | 7a0d14 | 7a1b14 |
| Base 15 | 642115 | 642d15 |
| Base 16 | 52bd16 | 52c916 |