Compare 1621 vs 1628
Property | 1621 | 1628 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 4 |
Prime factorization | 16211 | 22 × 111 × 371 |
Prime factorization | 1621 | 2 × 2 × 11 × 37 |
Divisors count | 2 | 12 |
Divisors | 1, 1621 | 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628 |
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 | MDCXXVIII |
Base 2 | 110010101012 | 110010111002 |
Base 3 | 20200013 | 20200223 |
Base 4 | 1211114 | 1211304 |
Base 5 | 224415 | 230035 |
Base 6 | 113016 | 113126 |
Base 7 | 45047 | 45147 |
Base 8 | 31258 | 31348 |
Base 9 | 22019 | 22089 |
Base 10 | 162110 | 162810 |
Base 11 | 124411 | 125011 |
Base 12 | b3112 | b3812 |
Base 13 | 97913 | 98313 |
Base 14 | 83b14 | 84414 |
Base 15 | 73115 | 73815 |
Base 16 | 65516 | 65c16 |