Compare 1721 vs 2129
Property | 1721 | 2129 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 17211 | 21291 |
Prime factorization | 1721 | 2129 |
Divisors count | 2 | 2 |
Divisors | 1, 1721 | 1, 2129 |
Number of properties | 6 | 5 |
Additive primes | 143rd | |
Chen primes | 169th | 196th |
Primes | 268th | 320th |
Pythagorean primes | 130th | 155th |
Sophie germain primes | 65th | |
Twin primes (1st member) | 55th | 66th |
Ulam primes | 25th | |
Roman numberals | MDCCXXI | MMCXXIX |
Base 2 | 110101110012 | 1000010100012 |
Base 3 | 21002023 | 22202123 |
Base 4 | 1223214 | 2011014 |
Base 5 | 233415 | 320045 |
Base 6 | 115456 | 135056 |
Base 7 | 50067 | 61317 |
Base 8 | 32718 | 41218 |
Base 9 | 23229 | 28259 |
Base 10 | 172110 | 212910 |
Base 11 | 132511 | 166611 |
Base 12 | bb512 | 129512 |
Base 13 | a2513 | c7a13 |
Base 14 | 8ad14 | ac114 |
Base 15 | 79b15 | 96e15 |
Base 16 | 6b916 | 85116 |