Compare 20630 vs 20639
| Property | 20630 | 20639 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 20631 | 206391 |
| Prime factorization | 2 × 5 × 2063 | 20639 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 2063, 4126, 10315, 20630 | 1, 20639 |
| Number of properties | 0 | 4 |
| Chen primes | 1143rd | |
| Happy primes | 384th | |
| Primes | 2326th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100101102 | 1010000100111112 |
| Base 3 | 10010220023 | 10010221023 |
| Base 4 | 110021124 | 110021334 |
| Base 5 | 11300105 | 11300245 |
| Base 6 | 2353026 | 2353156 |
| Base 7 | 1141017 | 1141137 |
| Base 8 | 502268 | 502378 |
| Base 9 | 312629 | 312729 |
| Base 10 | 2063010 | 2063910 |
| Base 11 | 1455511 | 1456311 |
| Base 12 | bb3212 | bb3b12 |
| Base 13 | 950c13 | 951813 |
| Base 14 | 773814 | 774314 |
| Base 15 | 61a515 | 61ae15 |
| Base 16 | 509616 | 509f16 |