Compare 20857 vs 21101
| Property | 20857 | 21101 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208571 | 211011 |
| Prime factorization | 20857 | 21101 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20857 | 1, 21101 |
| Number of properties | 4 | 8 |
| Additive primes | 1100th | |
| Chen primes | 1166th | |
| Happy primes | 392nd | |
| Isolated primes | 1637th | 1653rd |
| Long primes | 891st | 902nd |
| Primes | 2346th | 2372nd |
| Pythagorean primes | 1167th | 1178th |
| Sexy primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010001011110012 | 1010010011011012 |
| Base 3 | 10011211113 | 10012211123 |
| Base 4 | 110113214 | 110212314 |
| Base 5 | 11314125 | 11334015 |
| Base 6 | 2403216 | 2414056 |
| Base 7 | 1145447 | 1153437 |
| Base 8 | 505718 | 511558 |
| Base 9 | 315449 | 318459 |
| Base 10 | 2085710 | 2110110 |
| Base 11 | 1474111 | 1494311 |
| Base 12 | 100a112 | 1026512 |
| Base 13 | 965513 | 97b213 |
| Base 14 | 785b14 | 799314 |
| Base 15 | 62a715 | 63bb15 |
| Base 16 | 517916 | 526d16 |