Compare 20639 vs 20693
| Property | 20639 | 20693 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 206931 |
| Prime factorization | 20639 | 20693 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 20693 |
| Number of properties | 4 | 6 |
| Chen primes | 1143rd | 1145th |
| Happy primes | 384th | 385th |
| Isolated primes | 1629th | |
| Primes | 2326th | 2330th |
| Pythagorean primes | 1159th | |
| Sophie germain primes | 333rd | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010000110101012 |
| Base 3 | 10010221023 | 10011011023 |
| Base 4 | 110021334 | 110031114 |
| Base 5 | 11300245 | 11302335 |
| Base 6 | 2353156 | 2354456 |
| Base 7 | 1141137 | 1142217 |
| Base 8 | 502378 | 503258 |
| Base 9 | 312729 | 313429 |
| Base 10 | 2063910 | 2069310 |
| Base 11 | 1456311 | 1460211 |
| Base 12 | bb3b12 | bb8512 |
| Base 13 | 951813 | 955a13 |
| Base 14 | 774314 | 778114 |
| Base 15 | 61ae15 | 61e815 |
| Base 16 | 509f16 | 50d516 |