Compare 639842 vs 639853
| Property | 639842 | 639853 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 72 × 65291 | 6398531 |
| Prime factorization | 2 × 7 × 7 × 6529 | 639853 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 7, 14, 49, 98, 6529, 13058, 45703, 91406, 319921, 639842 | 1, 639853 |
| Number of properties | 0 | 4 |
| Cousin primes (1st member) | 5629th | |
| Primes | 52065th | |
| Prime triplets (2nd member) | 2062nd | |
| Twin primes (2nd member) | 5631st | |
| Roman numberals | ||
| Base 2 | 100111000011011000102 | 100111000011011011012 |
| Base 3 | 10121112002123 | 10121112010213 |
| Base 4 | 21300312024 | 21300312314 |
| Base 5 | 1304333325 | 1304334035 |
| Base 6 | 214141226 | 214141416 |
| Base 7 | 53033007 | 53033147 |
| Base 8 | 23415428 | 23415558 |
| Base 9 | 11746259 | 11746379 |
| Base 10 | 63984210 | 63985310 |
| Base 11 | 3a77a511 | 3a780511 |
| Base 12 | 26a34212 | 26a35112 |
| Base 13 | 19530813 | 19531613 |
| Base 14 | 12927014 | 12927b14 |
| Base 15 | c98b215 | c98bd15 |
| Base 16 | 9c36216 | 9c36d16 |