Compare 21277 vs 21391
| Property | 21277 | 21391 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212771 | 213911 |
| Prime factorization | 21277 | 21391 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21277 | 1, 21391 |
| Number of properties | 6 | 3 |
| Additive primes | 1109th | |
| Harmonic primes | 876th | |
| Isolated primes | 1669th | 1676th |
| Primes | 2390th | 2401st |
| Pythagorean primes | 1186th | |
| Sexy primes (1st member) | 724th | 729th |
| Roman numberals | ||
| Base 2 | 1010011000111012 | 1010011100011112 |
| Base 3 | 10020120013 | 10021000213 |
| Base 4 | 110301314 | 110320334 |
| Base 5 | 11401025 | 11410315 |
| Base 6 | 2423016 | 2430116 |
| Base 7 | 1160147 | 1162367 |
| Base 8 | 514358 | 516178 |
| Base 9 | 321619 | 323079 |
| Base 10 | 2127710 | 2139110 |
| Base 11 | 14a9311 | 1508711 |
| Base 12 | 1039112 | 1046712 |
| Base 13 | 98b913 | 997613 |
| Base 14 | 7a7b14 | 7b1d14 |
| Base 15 | 648715 | 651115 |
| Base 16 | 531d16 | 538f16 |