Compare 21143 vs 21187
| Property | 21143 | 21187 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211431 | 211871 |
| Prime factorization | 21143 | 21187 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21143 | 1, 21187 |
| Number of properties | 9 | 7 |
| Additive primes | 1103rd | 1107th |
| Chen primes | 1167th | |
| Cousin primes (1st member) | 361st | |
| Cousin primes (2nd member) | 360th | |
| Happy primes | 393rd | |
| Harmonic primes | 873rd | 874th |
| Isolated primes | 1657th | 1663rd |
| Long primes | 903rd | |
| Primes | 2376th | 2382nd |
| Prime triplets (1st member) | 178th | |
| Sexy primes (1st member) | 719th | 722nd |
| Roman numberals | ||
| Base 2 | 1010010100101112 | 1010010110000112 |
| Base 3 | 10020000023 | 10020012013 |
| Base 4 | 110221134 | 110230034 |
| Base 5 | 11340335 | 11342225 |
| Base 6 | 2415156 | 2420316 |
| Base 7 | 1154337 | 1155257 |
| Base 8 | 512278 | 513038 |
| Base 9 | 320029 | 320519 |
| Base 10 | 2114310 | 2118710 |
| Base 11 | 1498111 | 14a1111 |
| Base 12 | 1029b12 | 1031712 |
| Base 13 | 981513 | 984a13 |
| Base 14 | 79c314 | 7a1514 |
| Base 15 | 63e815 | 642715 |
| Base 16 | 529716 | 52c316 |