Compare 21191 vs 21419
| Property | 21191 | 21419 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211911 | 214191 |
| Prime factorization | 21191 | 21419 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21191 | 1, 21419 |
| Number of properties | 7 | 9 |
| Additive primes | 1114th | |
| Chen primes | 1171st | 1181st |
| Cousin primes (2nd member) | 361st | |
| Happy primes | 399th | |
| Harmonic primes | 882nd | |
| Isolated primes | 1680th | |
| Long primes | 912th | |
| Primes | 2383rd | 2405th |
| Prime triplets (2nd member) | 178th | |
| Safe primes | 202nd | |
| Sophie germain primes | 349th | |
| Super primes | 354th | |
| Twin primes (1st member) | 361st | |
| Ulam primes | 179th | |
| Roman numberals | ||
| Base 2 | 1010010110001112 | 1010011101010112 |
| Base 3 | 10020012123 | 10021010223 |
| Base 4 | 110230134 | 110322234 |
| Base 5 | 11342315 | 11411345 |
| Base 6 | 2420356 | 2430556 |
| Base 7 | 1155327 | 1163067 |
| Base 8 | 513078 | 516538 |
| Base 9 | 320559 | 323389 |
| Base 10 | 2119110 | 2141910 |
| Base 11 | 14a1511 | 1510211 |
| Base 12 | 1031b12 | 1048b12 |
| Base 13 | 985113 | 999813 |
| Base 14 | 7a1914 | 7b3d14 |
| Base 15 | 642b15 | 652e15 |
| Base 16 | 52c716 | 53ab16 |