Compare 66485 vs 66491
| Property | 66485 | 66491 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 132971 | 664911 |
| Prime factorization | 5 × 13297 | 66491 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 13297, 66485 | 1, 66491 |
| Number of properties | 1 | 5 |
| Good primes | 523rd | |
| Harmonic primes | 2490th | |
| Isolated primes | 4890th | |
| Long primes | 2509th | |
| Primes | 6629th | |
| Semiprimes | 15884th | |
| Roman numberals | ||
| Base 2 | 100000011101101012 | 100000011101110112 |
| Base 3 | 101010121023 | 101010121223 |
| Base 4 | 1000323114 | 1000323234 |
| Base 5 | 41114205 | 41114315 |
| Base 6 | 12314456 | 12314556 |
| Base 7 | 3645567 | 3645657 |
| Base 8 | 2016658 | 2016738 |
| Base 9 | 1111729 | 1111789 |
| Base 10 | 6648510 | 6649110 |
| Base 11 | 45a5111 | 45a5711 |
| Base 12 | 3258512 | 3258b12 |
| Base 13 | 2435313 | 2435913 |
| Base 14 | 1a32d14 | 1a33514 |
| Base 15 | 14a7515 | 14a7b15 |
| Base 16 | 103b516 | 103bb16 |