Compare 1621 vs 1630
Property | 1621 | 1630 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 3 |
Prime factorization | 16211 | 21 × 51 × 1631 |
Prime factorization | 1621 | 2 × 5 × 163 |
Divisors count | 2 | 8 |
Divisors | 1, 1621 | 1, 2, 5, 10, 163, 326, 815, 1630 |
Number of properties | 8 | 0 |
Chen primes | 163rd | |
Harmonic primes | 89th | |
Long primes | 101st | |
Primes | 257th | |
Pythagorean primes | 123rd | |
Sexy primes (1st member) | 111th | |
Super primes | 55th | |
Twin primes (2nd member) | 52nd | |
Roman numberals | MDCXXI | MDCXXX |
Base 2 | 110010101012 | 110010111102 |
Base 3 | 20200013 | 20201013 |
Base 4 | 1211114 | 1211324 |
Base 5 | 224415 | 230105 |
Base 6 | 113016 | 113146 |
Base 7 | 45047 | 45167 |
Base 8 | 31258 | 31368 |
Base 9 | 22019 | 22119 |
Base 10 | 162110 | 163010 |
Base 11 | 124411 | 125211 |
Base 12 | b3112 | b3a12 |
Base 13 | 97913 | 98513 |
Base 14 | 83b14 | 84614 |
Base 15 | 73115 | 73a15 |
Base 16 | 65516 | 65e16 |