Compare 20849 vs 21143
| Property | 20849 | 21143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208491 | 211431 |
| Prime factorization | 20849 | 21143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20849 | 1, 21143 |
| Number of properties | 8 | 9 |
| Additive primes | 1092nd | 1103rd |
| Chen primes | 1155th | 1167th |
| Cousin primes (2nd member) | 360th | |
| Good primes | 262nd | |
| Happy primes | 393rd | |
| Harmonic primes | 860th | 873rd |
| Isolated primes | 1636th | 1657th |
| Long primes | 903rd | |
| Primes | 2345th | 2376th |
| Pythagorean primes | 1166th | |
| Sexy primes (1st member) | 719th | |
| Ulam primes | 175th | |
| Roman numberals | ||
| Base 2 | 1010001011100012 | 1010010100101112 |
| Base 3 | 10011210123 | 10020000023 |
| Base 4 | 110113014 | 110221134 |
| Base 5 | 11313445 | 11340335 |
| Base 6 | 2403056 | 2415156 |
| Base 7 | 1145337 | 1154337 |
| Base 8 | 505618 | 512278 |
| Base 9 | 315359 | 320029 |
| Base 10 | 2084910 | 2114310 |
| Base 11 | 1473411 | 1498111 |
| Base 12 | 1009512 | 1029b12 |
| Base 13 | 964a13 | 981513 |
| Base 14 | 785314 | 79c314 |
| Base 15 | 629e15 | 63e815 |
| Base 16 | 517116 | 529716 |