Compare 20639 vs 20749
| Property | 20639 | 20749 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 207491 |
| Prime factorization | 20639 | 20749 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 20749 |
| Number of properties | 4 | 8 |
| Chen primes | 1143rd | 1150th |
| Cousin primes (1st member) | 355th | |
| Happy primes | 384th | |
| Primes | 2326th | 2337th |
| Prime triplets (2nd member) | 173rd | |
| Prime triplets (3rd member) | 172nd | |
| Pythagorean primes | 1161st | |
| Sexy primes (2nd member) | 709th | |
| Twin primes (1st member) | 351st | |
| Twin primes (2nd member) | 353rd | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010001000011012 |
| Base 3 | 10010221023 | 10011101113 |
| Base 4 | 110021334 | 110100314 |
| Base 5 | 11300245 | 11304445 |
| Base 6 | 2353156 | 2400216 |
| Base 7 | 1141137 | 1143317 |
| Base 8 | 502378 | 504158 |
| Base 9 | 312729 | 314149 |
| Base 10 | 2063910 | 2074910 |
| Base 11 | 1456311 | 1465311 |
| Base 12 | bb3b12 | 1001112 |
| Base 13 | 951813 | 95a113 |
| Base 14 | 774314 | 77c114 |
| Base 15 | 61ae15 | 623415 |
| Base 16 | 509f16 | 510d16 |