Compare 639949 vs 640099
| Property | 639949 | 640099 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399491 | 6400991 |
| Prime factorization | 639949 | 640099 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639949 | 1, 640099 |
| Number of properties | 3 | 2 |
| Isolated primes | 40810th | 40821st |
| Primes | 52071st | 52084th |
| Ulam primes | 3816th | |
| Roman numberals | ||
| Base 2 | 100111000011110011012 | 100111000100011000112 |
| Base 3 | 10121112112113 | 10121120011013 |
| Base 4 | 21300330314 | 21301012034 |
| Base 5 | 1304342445 | 1304403445 |
| Base 6 | 214144216 | 214152316 |
| Base 7 | 53035127 | 53041157 |
| Base 8 | 23417158 | 23421438 |
| Base 9 | 11747549 | 11750419 |
| Base 10 | 63994910 | 64009910 |
| Base 11 | 3a789211 | 3a7a0911 |
| Base 12 | 26a41112 | 26a51712 |
| Base 13 | 19538b13 | 19547513 |
| Base 14 | 12930914 | 1293b514 |
| Base 15 | c993415 | c99d415 |
| Base 16 | 9c3cd16 | 9c46316 |