Compare 20807 vs 21101
| Property | 20807 | 21101 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208071 | 211011 |
| Prime factorization | 20807 | 21101 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20807 | 1, 21101 |
| Number of properties | 7 | 8 |
| Additive primes | 1090th | 1100th |
| Chen primes | 1154th | 1166th |
| Happy primes | 392nd | |
| Harmonic primes | 858th | |
| Isolated primes | 1653rd | |
| Long primes | 890th | 902nd |
| Primes | 2343rd | 2372nd |
| Pythagorean primes | 1178th | |
| Sexy primes (1st member) | 718th | |
| Twin primes (1st member) | 355th | |
| Ulam primes | 174th | |
| Roman numberals | ||
| Base 2 | 1010001010001112 | 1010010011011012 |
| Base 3 | 10011121223 | 10012211123 |
| Base 4 | 110110134 | 110212314 |
| Base 5 | 11312125 | 11334015 |
| Base 6 | 2401556 | 2414056 |
| Base 7 | 1144437 | 1153437 |
| Base 8 | 505078 | 511558 |
| Base 9 | 314789 | 318459 |
| Base 10 | 2080710 | 2110110 |
| Base 11 | 146a611 | 1494311 |
| Base 12 | 1005b12 | 1026512 |
| Base 13 | 961713 | 97b213 |
| Base 14 | 782314 | 799314 |
| Base 15 | 627215 | 63bb15 |
| Base 16 | 514716 | 526d16 |