Compare 66280 vs 66287
| Property | 66280 | 66287 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 16571 | 131 × 50991 |
| Prime factorization | 2 × 2 × 2 × 5 × 1657 | 13 × 5099 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 1657, 3314, 6628, 8285, 13256, 16570, 33140, 66280 | 1, 13, 5099, 66287 |
| Number of properties | 0 | 1 |
| Semiprimes | 15833rd | |
| Roman numberals | ||
| Base 2 | 100000010111010002 | 100000010111011112 |
| Base 3 | 101002202113 | 101002210023 |
| Base 4 | 1000232204 | 1000232334 |
| Base 5 | 41101105 | 41101225 |
| Base 6 | 12305046 | 12305156 |
| Base 7 | 3641447 | 3641547 |
| Base 8 | 2013508 | 2013578 |
| Base 9 | 1108249 | 1108329 |
| Base 10 | 6628010 | 6628710 |
| Base 11 | 4588511 | 4589111 |
| Base 12 | 3243412 | 3243b12 |
| Base 13 | 2422613 | 2423013 |
| Base 14 | 1a22414 | 1a22b14 |
| Base 15 | 1498a15 | 1499215 |
| Base 16 | 102e816 | 102ef16 |