Compare 166142 vs 166143
| Property | 166142 | 166143 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 830711 | 31 × 553811 |
| Prime factorization | 2 × 83071 | 3 × 55381 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 83071, 166142 | 1, 3, 55381, 166143 |
| Number of properties | 1 | 1 |
| Semiprimes | 37923rd | 37924th |
| Roman numberals | ||
| Base 2 | 1010001000111111102 | 1010001000111111112 |
| Base 3 | 221022201023 | 221022201103 |
| Base 4 | 2202033324 | 2202033334 |
| Base 5 | 203040325 | 203040335 |
| Base 6 | 33211026 | 33211036 |
| Base 7 | 12612447 | 12612457 |
| Base 8 | 5043768 | 5043778 |
| Base 9 | 2728129 | 2728139 |
| Base 10 | 16614210 | 16614310 |
| Base 11 | 10390911 | 10390a11 |
| Base 12 | 8019212 | 8019312 |
| Base 13 | 5a81213 | 5a81313 |
| Base 14 | 4479414 | 4479514 |
| Base 15 | 3436215 | 3436315 |
| Base 16 | 288fe16 | 288ff16 |