Compare 20639 vs 20707
| Property | 20639 | 20707 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 207071 |
| Prime factorization | 20639 | 20707 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 20707 |
| Number of properties | 4 | 4 |
| Chen primes | 1143rd | |
| Good primes | 259th | |
| Happy primes | 384th | |
| Harmonic primes | 851st | |
| Isolated primes | 1630th | |
| Primes | 2326th | 2331st |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010000111000112 |
| Base 3 | 10010221023 | 10011012213 |
| Base 4 | 110021334 | 110032034 |
| Base 5 | 11300245 | 11303125 |
| Base 6 | 2353156 | 2355116 |
| Base 7 | 1141137 | 1142417 |
| Base 8 | 502378 | 503438 |
| Base 9 | 312729 | 313579 |
| Base 10 | 2063910 | 2070710 |
| Base 11 | 1456311 | 1461511 |
| Base 12 | bb3b12 | bb9712 |
| Base 13 | 951813 | 956b13 |
| Base 14 | 774314 | 779114 |
| Base 15 | 61ae15 | 620715 |
| Base 16 | 509f16 | 50e316 |