Compare 639731 vs 639949
| Property | 639731 | 639949 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6397311 | 6399491 |
| Prime factorization | 639731 | 639949 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639731 | 1, 639949 |
| Number of properties | 4 | 3 |
| Additive primes | 20343rd | |
| Chen primes | 20367th | |
| Isolated primes | 40800th | 40810th |
| Primes | 52059th | 52071st |
| Ulam primes | 3816th | |
| Roman numberals | ||
| Base 2 | 100111000010111100112 | 100111000011110011012 |
| Base 3 | 10121111122023 | 10121112112113 |
| Base 4 | 21300233034 | 21300330314 |
| Base 5 | 1304324115 | 1304342445 |
| Base 6 | 214134156 | 214144216 |
| Base 7 | 53030517 | 53035127 |
| Base 8 | 23413638 | 23417158 |
| Base 9 | 11744829 | 11747549 |
| Base 10 | 63973110 | 63994910 |
| Base 11 | 3a770411 | 3a789211 |
| Base 12 | 26a26b12 | 26a41112 |
| Base 13 | 19525113 | 19538b13 |
| Base 14 | 1291d114 | 12930914 |
| Base 15 | c983b15 | c993415 |
| Base 16 | 9c2f316 | 9c3cd16 |