Compare 428639 vs 428663
| Property | 428639 | 428663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4286391 | 4286631 |
| Prime factorization | 428639 | 428663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 428639 | 1, 428663 |
| Number of properties | 4 | 5 |
| Additive primes | 14251st | |
| Chen primes | 14475th | 14476th |
| Isolated primes | 27973rd | 27975th |
| Primes | 36050th | 36052nd |
| Sexy primes (2nd member) | 8102nd | 8103rd |
| Roman numberals | ||
| Base 2 | 11010001010010111112 | 11010001010011101112 |
| Base 3 | 2102022221123 | 2102100001023 |
| Base 4 | 12202211334 | 12202213134 |
| Base 5 | 1022040245 | 1022041235 |
| Base 6 | 131042356 | 131043156 |
| Base 7 | 34334517 | 34335147 |
| Base 8 | 15051378 | 15051678 |
| Base 9 | 7228759 | 7230129 |
| Base 10 | 42863910 | 42866310 |
| Base 11 | 27305211 | 27307411 |
| Base 12 | 18807b12 | 18809b12 |
| Base 13 | 12014313 | 12016113 |
| Base 14 | b22d114 | b230b14 |
| Base 15 | 8700e15 | 8702815 |
| Base 16 | 68a5f16 | 68a7716 |