Compare 20639 vs 21101
| Property | 20639 | 21101 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 211011 |
| Prime factorization | 20639 | 21101 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 21101 |
| Number of properties | 4 | 8 |
| Additive primes | 1100th | |
| Chen primes | 1143rd | 1166th |
| Happy primes | 384th | 392nd |
| Isolated primes | 1653rd | |
| Long primes | 902nd | |
| Primes | 2326th | 2372nd |
| Pythagorean primes | 1178th | |
| Sexy primes (1st member) | 718th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010010011011012 |
| Base 3 | 10010221023 | 10012211123 |
| Base 4 | 110021334 | 110212314 |
| Base 5 | 11300245 | 11334015 |
| Base 6 | 2353156 | 2414056 |
| Base 7 | 1141137 | 1153437 |
| Base 8 | 502378 | 511558 |
| Base 9 | 312729 | 318459 |
| Base 10 | 2063910 | 2110110 |
| Base 11 | 1456311 | 1494311 |
| Base 12 | bb3b12 | 1026512 |
| Base 13 | 951813 | 97b213 |
| Base 14 | 774314 | 799314 |
| Base 15 | 61ae15 | 63bb15 |
| Base 16 | 509f16 | 526d16 |