Compare 71809 vs 71813
| Property | 71809 | 71813 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 718091 | 71 × 102591 |
| Prime factorization | 71809 | 7 × 10259 |
| Divisors count | 2 | 4 |
| Divisors | 1, 71809 | 1, 7, 10259, 71813 |
| Number of properties | 4 | 1 |
| Harmonic primes | 2683rd | |
| Primes | 7107th | |
| Pythagorean primes | 3539th | |
| Semiprimes | 17081st | |
| Twin primes (2nd member) | 930th | |
| Roman numberals | ||
| Base 2 | 100011000100000012 | 100011000100001012 |
| Base 3 | 101221111213 | 101221112023 |
| Base 4 | 1012020014 | 1012020114 |
| Base 5 | 42442145 | 42442235 |
| Base 6 | 13122416 | 13122456 |
| Base 7 | 4162337 | 4162407 |
| Base 8 | 2142018 | 2142058 |
| Base 9 | 1184479 | 1184529 |
| Base 10 | 7180910 | 7181310 |
| Base 11 | 49a5111 | 49a5511 |
| Base 12 | 3568112 | 3568512 |
| Base 13 | 268ba13 | 268c113 |
| Base 14 | 1c25314 | 1c25714 |
| Base 15 | 1642415 | 1642815 |
| Base 16 | 1188116 | 1188516 |