Compare 42005 vs 42017
| Property | 42005 | 42017 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 311 × 2711 | 420171 |
| Prime factorization | 5 × 31 × 271 | 42017 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 31, 155, 271, 1355, 8401, 42005 | 1, 42017 |
| Number of properties | 0 | 10 |
| Chen primes | 2067th | |
| Cousin primes (2nd member) | 607th | |
| Happy primes | 722nd | |
| Long primes | 1652nd | |
| Primes | 4394th | |
| Prime triplets (1st member) | 286th | |
| Prime triplets (2nd member) | 285th | |
| Pythagorean primes | 2179th | |
| Sexy primes (1st member) | 1247th | |
| Twin primes (1st member) | 612th | |
| Roman numberals | ||
| Base 2 | 10100100000101012 | 10100100001000012 |
| Base 3 | 20101212023 | 20101220123 |
| Base 4 | 221001114 | 221002014 |
| Base 5 | 23210105 | 23210325 |
| Base 6 | 5222456 | 5223056 |
| Base 7 | 2333157 | 2333337 |
| Base 8 | 1220258 | 1220418 |
| Base 9 | 635529 | 635659 |
| Base 10 | 4200510 | 4201710 |
| Base 11 | 2961711 | 2962811 |
| Base 12 | 2038512 | 2039512 |
| Base 13 | 1617213 | 1618113 |
| Base 14 | 1144514 | 1145314 |
| Base 15 | c6a515 | c6b215 |
| Base 16 | a41516 | a42116 |