Compare 21391 vs 21467
| Property | 21391 | 21467 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 213911 | 214671 |
| Prime factorization | 21391 | 21467 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21391 | 1, 21467 |
| Number of properties | 3 | 5 |
| Chen primes | 1182nd | |
| Good primes | 269th | |
| Isolated primes | 1676th | 1682nd |
| Primes | 2401st | 2407th |
| Safe primes | 203rd | |
| Sexy primes (1st member) | 729th | |
| Roman numberals | ||
| Base 2 | 1010011100011112 | 1010011110110112 |
| Base 3 | 10021000213 | 10021100023 |
| Base 4 | 110320334 | 110331234 |
| Base 5 | 11410315 | 11413325 |
| Base 6 | 2430116 | 2432156 |
| Base 7 | 1162367 | 1164057 |
| Base 8 | 516178 | 517338 |
| Base 9 | 323079 | 324029 |
| Base 10 | 2139110 | 2146710 |
| Base 11 | 1508711 | 1514611 |
| Base 12 | 1046712 | 1050b12 |
| Base 13 | 997613 | 9a0413 |
| Base 14 | 7b1d14 | 7b7514 |
| Base 15 | 651115 | 656215 |
| Base 16 | 538f16 | 53db16 |