Compare 639849 vs 639851
| Property | 639849 | 639851 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 304691 | 6398511 |
| Prime factorization | 3 × 7 × 30469 | 639851 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 30469, 91407, 213283, 639849 | 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 | 100111000011011010012 | 100111000011011010112 |
| Base 3 | 10121112010103 | 10121112010123 |
| Base 4 | 21300312214 | 21300312234 |
| Base 5 | 1304333445 | 1304334015 |
| Base 6 | 214141336 | 214141356 |
| Base 7 | 53033107 | 53033127 |
| Base 8 | 23415518 | 23415538 |
| Base 9 | 11746339 | 11746359 |
| Base 10 | 63984910 | 63985110 |
| Base 11 | 3a780111 | 3a780311 |
| Base 12 | 26a34912 | 26a34b12 |
| Base 13 | 19531213 | 19531413 |
| Base 14 | 12927714 | 12927914 |
| Base 15 | c98b915 | c98bb15 |
| Base 16 | 9c36916 | 9c36b16 |