Compare 20635 vs 20639
| Property | 20635 | 20639 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 41271 | 206391 |
| Prime factorization | 5 × 4127 | 20639 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 4127, 20635 | 1, 20639 |
| Number of properties | 1 | 4 |
| Chen primes | 1143rd | |
| Happy primes | 384th | |
| Primes | 2326th | |
| Semiprimes | 5238th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100110112 | 1010000100111112 |
| Base 3 | 10010220213 | 10010221023 |
| Base 4 | 110021234 | 110021334 |
| Base 5 | 11300205 | 11300245 |
| Base 6 | 2353116 | 2353156 |
| Base 7 | 1141067 | 1141137 |
| Base 8 | 502338 | 502378 |
| Base 9 | 312679 | 312729 |
| Base 10 | 2063510 | 2063910 |
| Base 11 | 1455a11 | 1456311 |
| Base 12 | bb3712 | bb3b12 |
| Base 13 | 951413 | 951813 |
| Base 14 | 773d14 | 774314 |
| Base 15 | 61aa15 | 61ae15 |
| Base 16 | 509b16 | 509f16 |