Compare 1549 vs 1556
Property | 1549 | 1556 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 2 |
Total factors | 1 | 3 |
Prime factorization | 15491 | 22 × 3891 |
Prime factorization | 1549 | 2 × 2 × 389 |
Divisors count | 2 | 6 |
Divisors | 1, 1549 | 1, 2, 4, 389, 778, 1556 |
Number of properties | 7 | 0 |
Additive primes | 133rd | |
Cousin primes (1st member) | 54th | |
Isolated primes | 145th | |
Long primes | 93rd | |
Primes | 244th | |
Pythagorean primes | 117th | |
Sexy primes (2nd member) | 106th | |
Roman numberals | MDXLIX | MDLVI |
Base 2 | 110000011012 | 110000101002 |
Base 3 | 20101013 | 20101223 |
Base 4 | 1200314 | 1201104 |
Base 5 | 221445 | 222115 |
Base 6 | 111016 | 111126 |
Base 7 | 43427 | 43527 |
Base 8 | 30158 | 30248 |
Base 9 | 21119 | 21189 |
Base 10 | 154910 | 155610 |
Base 11 | 118911 | 119511 |
Base 12 | a9112 | a9812 |
Base 13 | 92213 | 92913 |
Base 14 | 7c914 | 7d214 |
Base 15 | 6d415 | 6db15 |
Base 16 | 60d16 | 61416 |