Compare 21189 vs 21193
| Property | 21189 | 21193 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 10091 | 211931 |
| Prime factorization | 3 × 7 × 1009 | 21193 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 1009, 3027, 7063, 21189 | 1, 21193 |
| Number of properties | 0 | 7 |
| Lucky primes | 387th | |
| Primes | 2384th | |
| Prime triplets (3rd member) | 178th | |
| Pythagorean primes | 1183rd | |
| Sexy primes (2nd member) | 722nd | |
| Twin primes (2nd member) | 361st | |
| Ulam primes | 180th | |
| Roman numberals | ||
| Base 2 | 1010010110001012 | 1010010110010012 |
| Base 3 | 10020012103 | 10020012213 |
| Base 4 | 110230114 | 110230214 |
| Base 5 | 11342245 | 11342335 |
| Base 6 | 2420336 | 2420416 |
| Base 7 | 1155307 | 1155347 |
| Base 8 | 513058 | 513118 |
| Base 9 | 320539 | 320579 |
| Base 10 | 2118910 | 2119310 |
| Base 11 | 14a1311 | 14a1711 |
| Base 12 | 1031912 | 1032112 |
| Base 13 | 984c13 | 985313 |
| Base 14 | 7a1714 | 7a1b14 |
| Base 15 | 642915 | 642d15 |
| Base 16 | 52c516 | 52c916 |