Compare 640213 vs 640219
Property | 640213 | 640219 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 71 × 914591 | 6402191 |
Prime factorization | 7 × 91459 | 640219 |
Divisors count | 4 | 2 |
Divisors | 1, 7, 91459, 640213 | 1, 640219 |
Number of properties | 1 | 4 |
Chen primes | 20386th | |
Cousin primes (1st member) | 5633rd | |
Isolated primes | 40828th | |
Primes | 52093rd | |
Semiprimes | 137187th | |
Roman numberals | ||
Base 2 | 100111000100110101012 | 100111000100110110112 |
Base 3 | 10121120121213 | 10121120122113 |
Base 4 | 21301031114 | 21301031234 |
Base 5 | 1304413235 | 1304413345 |
Base 6 | 214155416 | 214155516 |
Base 7 | 53043407 | 53043467 |
Base 8 | 23423258 | 23423338 |
Base 9 | 11751779 | 11751849 |
Base 10 | 64021310 | 64021910 |
Base 11 | 3a800211 | 3a800811 |
Base 12 | 26a5b112 | 26a5b712 |
Base 13 | 19553213 | 19553813 |
Base 14 | 12945714 | 12945d14 |
Base 15 | c9a5d15 | c9a6415 |
Base 16 | 9c4d516 | 9c4db16 |