Compare 639949 vs 640019
Property | 639949 | 640019 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 6399491 | 6400191 |
Prime factorization | 639949 | 640019 |
Divisors count | 2 | 2 |
Divisors | 1, 639949 | 1, 640019 |
Number of properties | 3 | 4 |
Chen primes | 20379th | |
Isolated primes | 40810th | 40814th |
Primes | 52071st | 52077th |
Safe primes | 3016th | |
Ulam primes | 3816th | |
Roman numberals | ||
Base 2 | 100111000011110011012 | 100111000100000100112 |
Base 3 | 10121112112113 | 10121112211023 |
Base 4 | 21300330314 | 21301001034 |
Base 5 | 1304342445 | 1304400345 |
Base 6 | 214144216 | 214150156 |
Base 7 | 53035127 | 53036427 |
Base 8 | 23417158 | 23420238 |
Base 9 | 11747549 | 11748429 |
Base 10 | 63994910 | 64001910 |
Base 11 | 3a789211 | 3a794611 |
Base 12 | 26a41112 | 26a46b12 |
Base 13 | 19538b13 | 19541313 |
Base 14 | 12930914 | 12935914 |
Base 15 | c993415 | c997e15 |
Base 16 | 9c3cd16 | 9c41316 |