Compare 20639 vs 21341
| Property | 20639 | 21341 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 213411 |
| Prime factorization | 20639 | 21341 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 21341 |
| Number of properties | 4 | 9 |
| Additive primes | 1111th | |
| Chen primes | 1143rd | 1175th |
| Happy primes | 384th | 396th |
| Harmonic primes | 879th | |
| Isolated primes | 1673rd | |
| Primes | 2326th | 2396th |
| Pythagorean primes | 1189th | |
| Sexy primes (1st member) | 727th | |
| Sophie germain primes | 347th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010011010111012 |
| Base 3 | 10010221023 | 10020211023 |
| Base 4 | 110021334 | 110311314 |
| Base 5 | 11300245 | 11403315 |
| Base 6 | 2353156 | 2424456 |
| Base 7 | 1141137 | 1161357 |
| Base 8 | 502378 | 515358 |
| Base 9 | 312729 | 322429 |
| Base 10 | 2063910 | 2134110 |
| Base 11 | 1456311 | 1504111 |
| Base 12 | bb3b12 | 1042512 |
| Base 13 | 951813 | 993813 |
| Base 14 | 774314 | 7ac514 |
| Base 15 | 61ae15 | 64cb15 |
| Base 16 | 509f16 | 535d16 |