Compare 518 vs 521
Property | 518 | 521 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 3 | 1 |
Prime factorization | 21 × 71 × 371 | 5211 |
Prime factorization | 2 × 7 × 37 | 521 |
Divisors count | 8 | 2 |
Divisors | 1, 2, 7, 14, 37, 74, 259, 518 | 1, 521 |
Number of properties | 0 | 6 |
Chen primes | 70th | |
Lucas primes | 8th | |
Primes | 98th | |
Pythagorean primes | 46th | |
Solinas primes | 39th | |
Twin primes (1st member) | 25th | |
Roman numberals | DXVIII | DXXI |
Base 2 | 10000001102 | 10000010012 |
Base 3 | 2010123 | 2010223 |
Base 4 | 200124 | 200214 |
Base 5 | 40335 | 40415 |
Base 6 | 22226 | 22256 |
Base 7 | 13407 | 13437 |
Base 8 | 10068 | 10118 |
Base 9 | 6359 | 6389 |
Base 10 | 51810 | 52110 |
Base 11 | 43111 | 43411 |
Base 12 | 37212 | 37512 |
Base 13 | 30b13 | 31113 |
Base 14 | 29014 | 29314 |
Base 15 | 24815 | 24b15 |
Base 16 | 20616 | 20916 |