Compare 42015 vs 42019
| Property | 42015 | 42019 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 28011 | 420191 |
| Prime factorization | 3 × 5 × 2801 | 42019 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 2801, 8403, 14005, 42015 | 1, 42019 |
| Number of properties | 0 | 7 |
| 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 | 10100100000111112 | 10100100001000112 |
| Base 3 | 20101220103 | 20101220213 |
| Base 4 | 221001334 | 221002034 |
| Base 5 | 23210305 | 23210345 |
| Base 6 | 5223036 | 5223116 |
| Base 7 | 2333317 | 2333357 |
| Base 8 | 1220378 | 1220438 |
| Base 9 | 635639 | 635679 |
| Base 10 | 4201510 | 4201910 |
| Base 11 | 2962611 | 2962a11 |
| Base 12 | 2039312 | 2039712 |
| Base 13 | 1617c13 | 1618313 |
| Base 14 | 1145114 | 1145514 |
| Base 15 | c6b015 | c6b415 |
| Base 16 | a41f16 | a42316 |