Compare 2521 vs 2591
| Property | 2521 | 2591 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25211 | 25911 |
| Prime factorization | 2521 | 2591 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2521 | 1, 2591 |
| Number of properties | 6 | 6 |
| Additive primes | 198th | |
| Centered square primes | 18th | |
| Chen primes | 228th | |
| Class 1+ primes | 21st | |
| Good primes | 71st | |
| Harmonic primes | 138th | |
| Isolated primes | 226th | |
| Pierpont primes of the 2nd kind | 21st | |
| Primes | 369th | 377th |
| Pythagorean primes | 181st | |
| Twin primes (1st member) | 74th | |
| Roman numberals | MMDXXI | MMDXCI |
| Base 2 | 1001110110012 | 1010000111112 |
| Base 3 | 101101013 | 101122223 |
| Base 4 | 2131214 | 2201334 |
| Base 5 | 400415 | 403315 |
| Base 6 | 154016 | 155556 |
| Base 7 | 102317 | 103617 |
| Base 8 | 47318 | 50378 |
| Base 9 | 34119 | 34889 |
| Base 10 | 252110 | 259110 |
| Base 11 | 199211 | 1a4611 |
| Base 12 | 156112 | 15bb12 |
| Base 13 | 11bc13 | 124413 |
| Base 14 | cc114 | d3114 |
| Base 15 | b3115 | b7b15 |
| Base 16 | 9d916 | a1f16 |