Compare 66280 vs 66281
| Property | 66280 | 66281 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 16571 | 791 × 8391 |
| Prime factorization | 2 × 2 × 2 × 5 × 1657 | 79 × 839 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 1657, 3314, 6628, 8285, 13256, 16570, 33140, 66280 | 1, 79, 839, 66281 |
| Number of properties | 0 | 1 |
| Semiprimes | 15832nd | |
| Roman numberals | ||
| Base 2 | 100000010111010002 | 100000010111010012 |
| Base 3 | 101002202113 | 101002202123 |
| Base 4 | 1000232204 | 1000232214 |
| Base 5 | 41101105 | 41101115 |
| Base 6 | 12305046 | 12305056 |
| Base 7 | 3641447 | 3641457 |
| Base 8 | 2013508 | 2013518 |
| Base 9 | 1108249 | 1108259 |
| Base 10 | 6628010 | 6628110 |
| Base 11 | 4588511 | 4588611 |
| Base 12 | 3243412 | 3243512 |
| Base 13 | 2422613 | 2422713 |
| Base 14 | 1a22414 | 1a22514 |
| Base 15 | 1498a15 | 1498b15 |
| Base 16 | 102e816 | 102e916 |