Compare 20720 vs 20731
| Property | 20720 | 20731 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 51 × 71 × 371 | 207311 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 7 × 37 | 20731 |
| Divisors count | 40 | 2 |
| Divisors | 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10360, 20720 | 1, 20731 |
| Number of properties | 0 | 6 |
| Additive primes | 1085th | |
| Chen primes | 1148th | |
| Harmonic primes | 853rd | |
| Isolated primes | 1631st | |
| Lucky primes | 379th | |
| Primes | 2334th | |
| Roman numberals | ||
| Base 2 | 1010000111100002 | 1010000111110112 |
| Base 3 | 10011021023 | 10011022113 |
| Base 4 | 110033004 | 110033234 |
| Base 5 | 11303405 | 11304115 |
| Base 6 | 2355326 | 2355516 |
| Base 7 | 1142607 | 1143047 |
| Base 8 | 503608 | 503738 |
| Base 9 | 313729 | 313849 |
| Base 10 | 2072010 | 2073110 |
| Base 11 | 1462711 | 1463711 |
| Base 12 | bba812 | bbb712 |
| Base 13 | 957b13 | 958913 |
| Base 14 | 77a014 | 77ab14 |
| Base 15 | 621515 | 622115 |
| Base 16 | 50f016 | 50fb16 |