Compare 639847 vs 639851
| Property | 639847 | 639851 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 131 × 831 × 5931 | 6398511 |
| Prime factorization | 13 × 83 × 593 | 639851 |
| Divisors count | 8 | 2 |
| Divisors | 1, 13, 83, 593, 1079, 7709, 49219, 639847 | 1, 639851 |
| Number of properties | 0 | 6 |
| Chen primes | 20371st | |
| Primes | 52064th | |
| Prime triplets (1st member) | 2062nd | |
| Sexy primes (1st member) | 11284th | |
| Sophie germain primes | 5305th | |
| Twin primes (1st member) | 5631st | |
| Roman numberals | ||
| Base 2 | 100111000011011001112 | 100111000011011010112 |
| Base 3 | 10121112010013 | 10121112010123 |
| Base 4 | 21300312134 | 21300312234 |
| Base 5 | 1304333425 | 1304334015 |
| Base 6 | 214141316 | 214141356 |
| Base 7 | 53033057 | 53033127 |
| Base 8 | 23415478 | 23415538 |
| Base 9 | 11746319 | 11746359 |
| Base 10 | 63984710 | 63985110 |
| Base 11 | 3a77aa11 | 3a780311 |
| Base 12 | 26a34712 | 26a34b12 |
| Base 13 | 19531013 | 19531413 |
| Base 14 | 12927514 | 12927914 |
| Base 15 | c98b715 | c98bb15 |
| Base 16 | 9c36716 | 9c36b16 |