Compare 20849 vs 20981
| Property | 20849 | 20981 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208491 | 209811 |
| Prime factorization | 20849 | 20981 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20849 | 1, 20981 |
| Number of properties | 8 | 5 |
| Additive primes | 1092nd | |
| Chen primes | 1155th | 1161st |
| Good primes | 262nd | 265th |
| Harmonic primes | 860th | |
| Isolated primes | 1636th | |
| Primes | 2345th | 2359th |
| Pythagorean primes | 1166th | 1172nd |
| Twin primes (1st member) | 357th | |
| Ulam primes | 175th | |
| Roman numberals | ||
| Base 2 | 1010001011100012 | 1010001111101012 |
| Base 3 | 10011210123 | 10012100023 |
| Base 4 | 110113014 | 110133114 |
| Base 5 | 11313445 | 11324115 |
| Base 6 | 2403056 | 2410456 |
| Base 7 | 1145337 | 1151127 |
| Base 8 | 505618 | 507658 |
| Base 9 | 315359 | 317029 |
| Base 10 | 2084910 | 2098110 |
| Base 11 | 1473411 | 1484411 |
| Base 12 | 1009512 | 1018512 |
| Base 13 | 964a13 | 971c13 |
| Base 14 | 785314 | 790914 |
| Base 15 | 629e15 | 633b15 |
| Base 16 | 517116 | 51f516 |