Compare 21391 vs 21433
| Property | 21391 | 21433 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 213911 | 214331 |
| Prime factorization | 21391 | 21433 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21391 | 1, 21433 |
| Number of properties | 3 | 5 |
| Additive primes | 1115th | |
| Isolated primes | 1676th | 1681st |
| Lucky primes | 389th | |
| Primes | 2401st | 2406th |
| Pythagorean primes | 1193rd | |
| Sexy primes (1st member) | 729th | |
| Roman numberals | ||
| Base 2 | 1010011100011112 | 1010011101110012 |
| Base 3 | 10021000213 | 10021012113 |
| Base 4 | 110320334 | 110323214 |
| Base 5 | 11410315 | 11412135 |
| Base 6 | 2430116 | 2431216 |
| Base 7 | 1162367 | 1163267 |
| Base 8 | 516178 | 516718 |
| Base 9 | 323079 | 323549 |
| Base 10 | 2139110 | 2143310 |
| Base 11 | 1508711 | 1511511 |
| Base 12 | 1046712 | 104a112 |
| Base 13 | 997613 | 99a913 |
| Base 14 | 7b1d14 | 7b4d14 |
| Base 15 | 651115 | 653d15 |
| Base 16 | 538f16 | 53b916 |