Compare 21187 vs 21277
| Property | 21187 | 21277 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211871 | 212771 |
| Prime factorization | 21187 | 21277 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21187 | 1, 21277 |
| Number of properties | 7 | 6 |
| Additive primes | 1107th | 1109th |
| Cousin primes (1st member) | 361st | |
| Harmonic primes | 874th | 876th |
| Isolated primes | 1663rd | 1669th |
| Primes | 2382nd | 2390th |
| Prime triplets (1st member) | 178th | |
| Pythagorean primes | 1186th | |
| Sexy primes (1st member) | 722nd | 724th |
| Roman numberals | ||
| Base 2 | 1010010110000112 | 1010011000111012 |
| Base 3 | 10020012013 | 10020120013 |
| Base 4 | 110230034 | 110301314 |
| Base 5 | 11342225 | 11401025 |
| Base 6 | 2420316 | 2423016 |
| Base 7 | 1155257 | 1160147 |
| Base 8 | 513038 | 514358 |
| Base 9 | 320519 | 321619 |
| Base 10 | 2118710 | 2127710 |
| Base 11 | 14a1111 | 14a9311 |
| Base 12 | 1031712 | 1039112 |
| Base 13 | 984a13 | 98b913 |
| Base 14 | 7a1514 | 7a7b14 |
| Base 15 | 642715 | 648715 |
| Base 16 | 52c316 | 531d16 |