Compare 428639 vs 428642
| Property | 428639 | 428642 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 4286391 | 21 × 1071 × 20031 |
| Prime factorization | 428639 | 2 × 107 × 2003 |
| Divisors count | 2 | 8 |
| Divisors | 1, 428639 | 1, 2, 107, 214, 2003, 4006, 214321, 428642 |
| Number of properties | 4 | 0 |
| Chen primes | 14475th | |
| Isolated primes | 27973rd | |
| Primes | 36050th | |
| Sexy primes (2nd member) | 8102nd | |
| Roman numberals | ||
| Base 2 | 11010001010010111112 | 11010001010011000102 |
| Base 3 | 2102022221123 | 2102022221223 |
| Base 4 | 12202211334 | 12202212024 |
| Base 5 | 1022040245 | 1022040325 |
| Base 6 | 131042356 | 131042426 |
| Base 7 | 34334517 | 34334547 |
| Base 8 | 15051378 | 15051428 |
| Base 9 | 7228759 | 7228789 |
| Base 10 | 42863910 | 42864210 |
| Base 11 | 27305211 | 27305511 |
| Base 12 | 18807b12 | 18808212 |
| Base 13 | 12014313 | 12014613 |
| Base 14 | b22d114 | b22d414 |
| Base 15 | 8700e15 | 8701215 |
| Base 16 | 68a5f16 | 68a6216 |