Compare 1721 vs 1949
Property | 1721 | 1949 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 17211 | 19491 |
Prime factorization | 1721 | 1949 |
Divisors count | 2 | 2 |
Divisors | 1, 1721 | 1, 1949 |
Number of properties | 6 | 8 |
Additive primes | 143rd | 156th |
Chen primes | 169th | 183rd |
Emirps | 95th | |
Harmonic primes | 110th | |
Long primes | 115th | |
Primes | 268th | 296th |
Pythagorean primes | 130th | 144th |
Twin primes (1st member) | 55th | 60th |
Ulam primes | 25th | |
Roman numberals | MDCCXXI | MCMXLIX |
Base 2 | 110101110012 | 111100111012 |
Base 3 | 21002023 | 22000123 |
Base 4 | 1223214 | 1321314 |
Base 5 | 233415 | 302445 |
Base 6 | 115456 | 130056 |
Base 7 | 50067 | 54537 |
Base 8 | 32718 | 36358 |
Base 9 | 23229 | 26059 |
Base 10 | 172110 | 194910 |
Base 11 | 132511 | 151211 |
Base 12 | bb512 | 116512 |
Base 13 | a2513 | b6c13 |
Base 14 | 8ad14 | 9d314 |
Base 15 | 79b15 | 89e15 |
Base 16 | 6b916 | 79d16 |