Compare 521 vs 1151
| Property | 521 | 1151 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5211 | 11511 |
| Prime factorization | 521 | 1151 |
| Divisors count | 2 | 2 |
| Divisors | 1, 521 | 1, 1151 |
| Number of properties | 6 | 10 |
| Chen primes | 70th | 126th |
| Class 1+ primes | 20th | |
| Emirps | 47th | |
| Good primes | 48th | |
| Happy primes | 40th | |
| Lucas primes | 8th | |
| Multiplicative primes | 15th | |
| Pierpont primes of the 2nd kind | 20th | |
| Primes | 98th | 190th |
| Pythagorean primes | 46th | |
| Solinas primes | 39th | 51st |
| Twin primes (1st member) | 25th | 41st |
| Roman numberals | DXXI | MCLI |
| Base 2 | 10000010012 | 100011111112 |
| Base 3 | 2010223 | 11201223 |
| Base 4 | 200214 | 1013334 |
| Base 5 | 40415 | 141015 |
| Base 6 | 22256 | 51556 |
| Base 7 | 13437 | 32337 |
| Base 8 | 10118 | 21778 |
| Base 9 | 6389 | 15189 |
| Base 10 | 52110 | 115110 |
| Base 11 | 43411 | 95711 |
| Base 12 | 37512 | 7bb12 |
| Base 13 | 31113 | 6a713 |
| Base 14 | 29314 | 5c314 |
| Base 15 | 24b15 | 51b15 |
| Base 16 | 20916 | 47f16 |