Compare 166139 vs 166142
| Property | 166139 | 166142 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1031 × 16131 | 21 × 830711 |
| Prime factorization | 103 × 1613 | 2 × 83071 |
| Divisors count | 4 | 4 |
| Divisors | 1, 103, 1613, 166139 | 1, 2, 83071, 166142 |
| Number of properties | 1 | 1 |
| Semiprimes | 37922nd | 37923rd |
| Roman numberals | ||
| Base 2 | 1010001000111110112 | 1010001000111111102 |
| Base 3 | 221022200223 | 221022201023 |
| Base 4 | 2202033234 | 2202033324 |
| Base 5 | 203040245 | 203040325 |
| Base 6 | 33210556 | 33211026 |
| Base 7 | 12612417 | 12612447 |
| Base 8 | 5043738 | 5043768 |
| Base 9 | 2728089 | 2728129 |
| Base 10 | 16613910 | 16614210 |
| Base 11 | 10390611 | 10390911 |
| Base 12 | 8018b12 | 8019212 |
| Base 13 | 5a80c13 | 5a81213 |
| Base 14 | 4479114 | 4479414 |
| Base 15 | 3435e15 | 3436215 |
| Base 16 | 288fb16 | 288fe16 |