Compare 212905 vs 212909
Property | 212905 | 212909 |
---|---|---|
Type | composite number | prime |
Unique factors | 4 | 1 |
Total factors | 5 | 1 |
Prime factorization | 51 × 72 × 111 × 791 | 2129091 |
Prime factorization | 5 × 7 × 7 × 11 × 79 | 212909 |
Divisors count | 24 | 2 |
Divisors | 1, 5, 7, 11, 35, 49, 55, 77, 79, 245, 385, 395, 539, 553, 869, 2695, 2765, 3871, 4345, 6083, 19355, 30415, 42581, 212905 | 1, 212909 |
Number of properties | 0 | 9 |
Additive primes | 7689th | |
Chen primes | 7953rd | |
Isolated primes | 14491st | |
Long primes | 7116th | |
Primes | 19040th | |
Pythagorean primes | 9506th | |
Sexy primes (2nd member) | 4516th | |
Sexy prime triplets (3rd member) | 906th | |
Sophie germain primes | 2165th | |
Roman numberals | ||
Base 2 | 1100111111101010012 | 1100111111101011012 |
Base 3 | 1012110011013 | 1012110011123 |
Base 4 | 3033322214 | 3033322314 |
Base 5 | 233031105 | 233031145 |
Base 6 | 43214016 | 43214056 |
Base 7 | 15445007 | 15445047 |
Base 8 | 6376518 | 6376558 |
Base 9 | 3540419 | 3540459 |
Base 10 | 21290510 | 21290910 |
Base 11 | 135a6011 | 135a6411 |
Base 12 | a326112 | a326512 |
Base 13 | 75ba413 | 75ba813 |
Base 14 | 5783714 | 5783b14 |
Base 15 | 4313a15 | 4313e15 |
Base 16 | 33fa916 | 33fad16 |