Compare 640847 vs 640851
| Property | 640847 | 640851 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6408471 | 31 × 191 × 112431 |
| Prime factorization | 640847 | 3 × 19 × 11243 |
| Divisors count | 2 | 8 |
| Divisors | 1, 640847 | 1, 3, 19, 57, 11243, 33729, 213617, 640851 |
| Number of properties | 5 | 0 |
| Additive primes | 20377th | |
| Isolated primes | 40861st | |
| Primes | 52136th | |
| Sexy primes (1st member) | 11296th | |
| Sexy prime triplets (1st member) | 2072nd | |
| Roman numberals | ||
| Base 2 | 100111000111010011112 | 100111000111010100112 |
| Base 3 | 10121200020023 | 10121200020203 |
| Base 4 | 21301310334 | 21301311034 |
| Base 5 | 1310013425 | 1310014015 |
| Base 6 | 214225156 | 214225236 |
| Base 7 | 53062347 | 53062417 |
| Base 8 | 23435178 | 23435238 |
| Base 9 | 11760629 | 11760669 |
| Base 10 | 64084710 | 64085110 |
| Base 11 | 3a852911 | 3a853211 |
| Base 12 | 26aa3b12 | 26aa4312 |
| Base 13 | 1958cc13 | 19590313 |
| Base 14 | 12978b14 | 12979114 |
| Base 15 | c9d3215 | c9d3615 |
| Base 16 | 9c74f16 | 9c75316 |