Compare 20731 vs 20921
| Property | 20731 | 20921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207311 | 209211 |
| Prime factorization | 20731 | 20921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20731 | 1, 20921 |
| Number of properties | 6 | 5 |
| Additive primes | 1085th | |
| Chen primes | 1148th | |
| Harmonic primes | 853rd | 864th |
| Isolated primes | 1631st | 1642nd |
| Lucky primes | 379th | |
| Primes | 2334th | 2353rd |
| Pythagorean primes | 1170th | |
| Sophie germain primes | 339th | |
| Roman numberals | ||
| Base 2 | 1010000111110112 | 1010001101110012 |
| Base 3 | 10011022113 | 10012002123 |
| Base 4 | 110033234 | 110123214 |
| Base 5 | 11304115 | 11321415 |
| Base 6 | 2355516 | 2405056 |
| Base 7 | 1143047 | 1146657 |
| Base 8 | 503738 | 506718 |
| Base 9 | 313849 | 316259 |
| Base 10 | 2073110 | 2092110 |
| Base 11 | 1463711 | 1479a11 |
| Base 12 | bbb712 | 1013512 |
| Base 13 | 958913 | 96a413 |
| Base 14 | 77ab14 | 78a514 |
| Base 15 | 622115 | 62eb15 |
| Base 16 | 50fb16 | 51b916 |