Compare 21187 vs 21391
Property | 21187 | 21391 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 211871 | 213911 |
Prime factorization | 21187 | 21391 |
Divisors count | 2 | 2 |
Divisors | 1, 21187 | 1, 21391 |
Number of properties | 7 | 3 |
Additive primes | 1107th | |
Cousin primes (1st member) | 361st | |
Harmonic primes | 874th | |
Isolated primes | 1663rd | 1676th |
Primes | 2382nd | 2401st |
Prime triplets (1st member) | 178th | |
Sexy primes (1st member) | 722nd | 729th |
Roman numberals | ||
Base 2 | 1010010110000112 | 1010011100011112 |
Base 3 | 10020012013 | 10021000213 |
Base 4 | 110230034 | 110320334 |
Base 5 | 11342225 | 11410315 |
Base 6 | 2420316 | 2430116 |
Base 7 | 1155257 | 1162367 |
Base 8 | 513038 | 516178 |
Base 9 | 320519 | 323079 |
Base 10 | 2118710 | 2139110 |
Base 11 | 14a1111 | 1508711 |
Base 12 | 1031712 | 1046712 |
Base 13 | 984a13 | 997613 |
Base 14 | 7a1514 | 7b1d14 |
Base 15 | 642715 | 651115 |
Base 16 | 52c316 | 538f16 |