Compare 20628 vs 20639
| Property | 20628 | 20639 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 22 × 33 × 1911 | 206391 |
| Prime factorization | 2 × 2 × 3 × 3 × 3 × 191 | 20639 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191, 382, 573, 764, 1146, 1719, 2292, 3438, 5157, 6876, 10314, 20628 | 1, 20639 |
| Number of properties | 0 | 4 |
| Chen primes | 1143rd | |
| Happy primes | 384th | |
| Primes | 2326th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100101002 | 1010000100111112 |
| Base 3 | 10010220003 | 10010221023 |
| Base 4 | 110021104 | 110021334 |
| Base 5 | 11300035 | 11300245 |
| Base 6 | 2353006 | 2353156 |
| Base 7 | 1140667 | 1141137 |
| Base 8 | 502248 | 502378 |
| Base 9 | 312609 | 312729 |
| Base 10 | 2062810 | 2063910 |
| Base 11 | 1455311 | 1456311 |
| Base 12 | bb3012 | bb3b12 |
| Base 13 | 950a13 | 951813 |
| Base 14 | 773614 | 774314 |
| Base 15 | 61a315 | 61ae15 |
| Base 16 | 509416 | 509f16 |