Compare 639731 vs 639741
| Property | 639731 | 639741 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6397311 | 31 × 2132471 |
| Prime factorization | 639731 | 3 × 213247 |
| Divisors count | 2 | 4 |
| Divisors | 1, 639731 | 1, 3, 213247, 639741 |
| Number of properties | 4 | 1 |
| Additive primes | 20343rd | |
| Chen primes | 20367th | |
| Isolated primes | 40800th | |
| Primes | 52059th | |
| Semiprimes | 137082nd | |
| Roman numberals | ||
| Base 2 | 100111000010111100112 | 100111000010111111012 |
| Base 3 | 10121111122023 | 10121111200103 |
| Base 4 | 21300233034 | 21300233314 |
| Base 5 | 1304324115 | 1304324315 |
| Base 6 | 214134156 | 214134336 |
| Base 7 | 53030517 | 53030647 |
| Base 8 | 23413638 | 23413758 |
| Base 9 | 11744829 | 11745039 |
| Base 10 | 63973110 | 63974110 |
| Base 11 | 3a770411 | 3a771311 |
| Base 12 | 26a26b12 | 26a27912 |
| Base 13 | 19525113 | 19525b13 |
| Base 14 | 1291d114 | 1291db14 |
| Base 15 | c983b15 | c984615 |
| Base 16 | 9c2f316 | 9c2fd16 |