Compare 42281 vs 42287
| Property | 42281 | 42287 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 422811 | 72 × 8631 |
| Prime factorization | 42281 | 7 × 7 × 863 |
| Divisors count | 2 | 6 |
| Divisors | 1, 42281 | 1, 7, 49, 863, 6041, 42287 |
| Number of properties | 5 | 0 |
| Additive primes | 1973rd | |
| Chen primes | 2076th | |
| Primes | 4419th | |
| Pythagorean primes | 2192nd | |
| Twin primes (1st member) | 616th | |
| Roman numberals | ||
| Base 2 | 10100101001010012 | 10100101001011112 |
| Base 3 | 20102222223 | 20110000123 |
| Base 4 | 221102214 | 221102334 |
| Base 5 | 23231115 | 23231225 |
| Base 6 | 5234256 | 5234356 |
| Base 7 | 2341617 | 2342007 |
| Base 8 | 1224518 | 1224578 |
| Base 9 | 638889 | 640059 |
| Base 10 | 4228110 | 4228710 |
| Base 11 | 2984811 | 2985311 |
| Base 12 | 2057512 | 2057b12 |
| Base 13 | 1632513 | 1632b13 |
| Base 14 | 115a114 | 115a714 |
| Base 15 | c7db15 | c7e215 |
| Base 16 | a52916 | a52f16 |