Compare 164805 vs 164809
| Property | 164805 | 164809 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 109871 | 1648091 |
| Prime factorization | 3 × 5 × 10987 | 164809 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 10987, 32961, 54935, 164805 | 1, 164809 |
| Number of properties | 0 | 5 |
| Harmonic primes | 5665th | |
| Isolated primes | 11395th | |
| Lucky primes | 1960th | |
| Primes | 15082nd | |
| Pythagorean primes | 7520th | |
| Roman numberals | ||
| Base 2 | 1010000011110001012 | 1010000011110010012 |
| Base 3 | 221010012203 | 221010020013 |
| Base 4 | 2200330114 | 2200330214 |
| Base 5 | 202332105 | 202332145 |
| Base 6 | 33105536 | 33110016 |
| Base 7 | 12543247 | 12543317 |
| Base 8 | 5017058 | 5017118 |
| Base 9 | 2710569 | 2710619 |
| Base 10 | 16480510 | 16480910 |
| Base 11 | 10290311 | 10290711 |
| Base 12 | 7b45912 | 7b46112 |
| Base 13 | 5a02413 | 5a02813 |
| Base 14 | 440bb14 | 440c114 |
| Base 15 | 33c7015 | 33c7415 |
| Base 16 | 283c516 | 283c916 |