Compare 80905 vs 80909
| Property | 80905 | 80909 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 111 × 14711 | 809091 |
| Prime factorization | 5 × 11 × 1471 | 80909 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 11, 55, 1471, 7355, 16181, 80905 | 1, 80909 |
| Number of properties | 0 | 8 |
| Chen primes | 3582nd | |
| Good primes | 598th | |
| Happy primes | 1229th | |
| Harmonic primes | 2990th | |
| Long primes | 3009th | |
| Primes | 7917th | |
| Pythagorean primes | 3944th | |
| Twin primes (1st member) | 1020th | |
| Roman numberals | ||
| Base 2 | 100111100000010012 | 100111100000011012 |
| Base 3 | 110022221113 | 110022221223 |
| Base 4 | 1033000214 | 1033000314 |
| Base 5 | 100421105 | 100421145 |
| Base 6 | 14223216 | 14223256 |
| Base 7 | 4546067 | 4546137 |
| Base 8 | 2360118 | 2360158 |
| Base 9 | 1328749 | 1328789 |
| Base 10 | 8090510 | 8090910 |
| Base 11 | 5587011 | 5587411 |
| Base 12 | 3a9a112 | 3a9a512 |
| Base 13 | 2aa9613 | 2aa9a13 |
| Base 14 | 216ad14 | 216b314 |
| Base 15 | 18e8a15 | 18e8e15 |
| Base 16 | 13c0916 | 13c0d16 |