Compare 641 vs 648
Property | 641 | 648 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 2 |
Total factors | 1 | 7 |
Prime factorization | 6411 | 23 × 34 |
Prime factorization | 641 | 2 × 2 × 2 × 3 × 3 × 3 × 3 |
Divisors count | 2 | 20 |
Divisors | 1, 641 | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648 |
Number of properties | 14 | 0 |
Additive primes | 62nd | |
Chen primes | 81st | |
Good primes | 35th | |
Primes | 116th | |
Prime triplets (1st member) | 24th | |
Proth primes | 14th | |
Pythagorean primes | 55th | |
Quartan primes | 6th | |
Sexy primes (1st member) | 57th | |
Sexy prime quadrupletss (1st member) | 7th | |
Sexy prime triplets (1st member) | 24th | |
Solinas primes | 41st | |
Sophie germain primes | 28th | |
Twin primes (1st member) | 29th | |
Roman numberals | DCXLI | DCXLVIII |
Base 2 | 10100000012 | 10100010002 |
Base 3 | 2122023 | 2200003 |
Base 4 | 220014 | 220204 |
Base 5 | 100315 | 100435 |
Base 6 | 25456 | 30006 |
Base 7 | 16047 | 16147 |
Base 8 | 12018 | 12108 |
Base 9 | 7829 | 8009 |
Base 10 | 64110 | 64810 |
Base 11 | 53311 | 53a11 |
Base 12 | 45512 | 46012 |
Base 13 | 3a413 | 3ab13 |
Base 14 | 33b14 | 34414 |
Base 15 | 2cb15 | 2d315 |
Base 16 | 28116 | 28816 |