Compare 29 vs 521
| Property | 29 | 521 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 291 | 5211 | 
| Prime factorization | 29 | 521 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 29 | 1, 521 | 
| Number of properties | 14 | 6 | 
| Additive primes | 7th | |
| Chen primes | 10th | 70th | 
| Good primes | 4th | |
| Long primes | 5th | |
| Lucas primes | 5th | 8th | 
| Primes | 10th | 98th | 
| Pythagorean primes | 4th | 46th | 
| Right-truncatable primes | 6th | |
| Sexy primes (2nd member) | 6th | |
| Sexy prime quadrupletss (4th member) | 2nd | |
| Sexy prime triplets (3rd member) | 4th | |
| Solinas primes | 9th | 39th | 
| Sophie germain primes | 6th | |
| Twin primes (1st member) | 5th | 25th | 
| Roman numberals | XXIX | DXXI | 
| Base 2 | 111012 | 10000010012 | 
| Base 3 | 10023 | 2010223 | 
| Base 4 | 1314 | 200214 | 
| Base 5 | 1045 | 40415 | 
| Base 6 | 456 | 22256 | 
| Base 7 | 417 | 13437 | 
| Base 8 | 358 | 10118 | 
| Base 9 | 329 | 6389 | 
| Base 10 | 2910 | 52110 | 
| Base 11 | 2711 | 43411 | 
| Base 12 | 2512 | 37512 | 
| Base 13 | 2313 | 31113 | 
| Base 14 | 2114 | 29314 | 
| Base 15 | 1e15 | 24b15 | 
| Base 16 | 1d16 | 20916 |