Compare 20857 vs 20899
| Property | 20857 | 20899 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208571 | 208991 |
| Prime factorization | 20857 | 20899 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20857 | 1, 20899 |
| Number of properties | 4 | 10 |
| Chen primes | 1157th | |
| Cousin primes (1st member) | 356th | |
| Happy primes | 388th | |
| Harmonic primes | 862nd | |
| Isolated primes | 1637th | |
| Long primes | 891st | 894th |
| Lucky primes | 382nd | |
| Primes | 2346th | 2351st |
| Prime triplets (2nd member) | 174th | |
| Pythagorean primes | 1167th | |
| Super primes | 349th | |
| Twin primes (2nd member) | 356th | |
| Roman numberals | ||
| Base 2 | 1010001011110012 | 1010001101000112 |
| Base 3 | 10011211113 | 10012000013 |
| Base 4 | 110113214 | 110122034 |
| Base 5 | 11314125 | 11320445 |
| Base 6 | 2403216 | 2404316 |
| Base 7 | 1145447 | 1146347 |
| Base 8 | 505718 | 506438 |
| Base 9 | 315449 | 316019 |
| Base 10 | 2085710 | 2089910 |
| Base 11 | 1474111 | 1477a11 |
| Base 12 | 100a112 | 1011712 |
| Base 13 | 965513 | 968813 |
| Base 14 | 785b14 | 788b14 |
| Base 15 | 62a715 | 62d415 |
| Base 16 | 517916 | 51a316 |