Compare 42019 vs 42021
| Property | 42019 | 42021 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 5 |
| Prime factorization | 420191 | 32 × 71 × 231 × 291 |
| Prime factorization | 42019 | 3 × 3 × 7 × 23 × 29 |
| Divisors count | 2 | 24 |
| Divisors | 1, 42019 | 1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 609, 667, 1449, 1827, 2001, 4669, 6003, 14007, 42021 |
| Number of properties | 7 | 0 |
| Cousin primes (1st member) | 608th | |
| Long primes | 1653rd | |
| Primes | 4395th | |
| Prime triplets (2nd member) | 286th | |
| Prime triplets (3rd member) | 285th | |
| Sexy primes (2nd member) | 1246th | |
| Twin primes (2nd member) | 612th | |
| Roman numberals | ||
| Base 2 | 10100100001000112 | 10100100001001012 |
| Base 3 | 20101220213 | 20101221003 |
| Base 4 | 221002034 | 221002114 |
| Base 5 | 23210345 | 23210415 |
| Base 6 | 5223116 | 5223136 |
| Base 7 | 2333357 | 2333407 |
| Base 8 | 1220438 | 1220458 |
| Base 9 | 635679 | 635709 |
| Base 10 | 4201910 | 4202110 |
| Base 11 | 2962a11 | 2963111 |
| Base 12 | 2039712 | 2039912 |
| Base 13 | 1618313 | 1618513 |
| Base 14 | 1145514 | 1145714 |
| Base 15 | c6b415 | c6b615 |
| Base 16 | a42316 | a42516 |