Compare 428145 vs 428147
| Property | 428145 | 428147 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 31 × 51 × 171 × 231 × 731 | 4281471 |
| Prime factorization | 3 × 5 × 17 × 23 × 73 | 428147 |
| Divisors count | 32 | 2 |
| Divisors | 1, 3, 5, 15, 17, 23, 51, 69, 73, 85, 115, 219, 255, 345, 365, 391, 1095, 1173, 1241, 1679, 1955, 3723, 5037, 5865, 6205, 8395, 18615, 25185, 28543, 85629, 142715, 428145 | 1, 428147 |
| Number of properties | 0 | 5 |
| Chen primes | 14462nd | |
| Cousin primes (2nd member) | 4027th | |
| Primes | 36014th | |
| Prime triplets (2nd member) | 1537th | |
| Twin primes (1st member) | 4035th | |
| Roman numberals | ||
| Base 2 | 11010001000011100012 | 11010001000011100112 |
| Base 3 | 2102020220203 | 2102020220223 |
| Base 4 | 12202013014 | 12202013034 |
| Base 5 | 1022000405 | 1022000425 |
| Base 6 | 131020536 | 131020556 |
| Base 7 | 34321447 | 34321467 |
| Base 8 | 15041618 | 15041638 |
| Base 9 | 7222669 | 7222689 |
| Base 10 | 42814510 | 42814710 |
| Base 11 | 27274311 | 27274511 |
| Base 12 | 18792912 | 18792b12 |
| Base 13 | 11cb5313 | 11cb5513 |
| Base 14 | b205b14 | b205d14 |
| Base 15 | 86cd015 | 86cd215 |
| Base 16 | 6887116 | 6887316 |