Compare 20629 vs 20639
| Property | 20629 | 20639 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 72 × 4211 | 206391 |
| Prime factorization | 7 × 7 × 421 | 20639 |
| Divisors count | 6 | 2 |
| Divisors | 1, 7, 49, 421, 2947, 20629 | 1, 20639 |
| Number of properties | 0 | 4 |
| Chen primes | 1143rd | |
| Happy primes | 384th | |
| Primes | 2326th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100101012 | 1010000100111112 |
| Base 3 | 10010220013 | 10010221023 |
| Base 4 | 110021114 | 110021334 |
| Base 5 | 11300045 | 11300245 |
| Base 6 | 2353016 | 2353156 |
| Base 7 | 1141007 | 1141137 |
| Base 8 | 502258 | 502378 |
| Base 9 | 312619 | 312729 |
| Base 10 | 2062910 | 2063910 |
| Base 11 | 1455411 | 1456311 |
| Base 12 | bb3112 | bb3b12 |
| Base 13 | 950b13 | 951813 |
| Base 14 | 773714 | 774314 |
| Base 15 | 61a415 | 61ae15 |
| Base 16 | 509516 | 509f16 |