Compare 66480 vs 66491
| Property | 66480 | 66491 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 31 × 51 × 2771 | 664911 |
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 5 × 277 | 66491 |
| Divisors count | 40 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 4155, 4432, 5540, 6648, 8310, 11080, 13296, 16620, 22160, 33240, 66480 | 1, 66491 |
| Number of properties | 0 | 5 |
| Good primes | 523rd | |
| Harmonic primes | 2490th | |
| Isolated primes | 4890th | |
| Long primes | 2509th | |
| Primes | 6629th | |
| Roman numberals | ||
| Base 2 | 100000011101100002 | 100000011101110112 |
| Base 3 | 101010120203 | 101010121223 |
| Base 4 | 1000323004 | 1000323234 |
| Base 5 | 41114105 | 41114315 |
| Base 6 | 12314406 | 12314556 |
| Base 7 | 3645517 | 3645657 |
| Base 8 | 2016608 | 2016738 |
| Base 9 | 1111669 | 1111789 |
| Base 10 | 6648010 | 6649110 |
| Base 11 | 45a4711 | 45a5711 |
| Base 12 | 3258012 | 3258b12 |
| Base 13 | 2434b13 | 2435913 |
| Base 14 | 1a32814 | 1a33514 |
| Base 15 | 14a7015 | 14a7b15 |
| Base 16 | 103b016 | 103bb16 |