Compare 2521 vs 2549
| Property | 2521 | 2549 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25211 | 25491 |
| Prime factorization | 2521 | 2549 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2521 | 1, 2549 |
| Number of properties | 6 | 9 |
| Centered square primes | 18th | |
| Chen primes | 225th | |
| Good primes | 71st | |
| Harmonic primes | 138th | 140th |
| Isolated primes | 226th | |
| Long primes | 148th | |
| Primes | 369th | 373rd |
| Pythagorean primes | 181st | 182nd |
| Sexy primes (2nd member) | 152nd | |
| Sophie germain primes | 74th | |
| Super primes | 74th | |
| Twin primes (1st member) | 73rd | |
| Roman numberals | MMDXXI | MMDXLIX |
| Base 2 | 1001110110012 | 1001111101012 |
| Base 3 | 101101013 | 101111023 |
| Base 4 | 2131214 | 2133114 |
| Base 5 | 400415 | 401445 |
| Base 6 | 154016 | 154456 |
| Base 7 | 102317 | 103017 |
| Base 8 | 47318 | 47658 |
| Base 9 | 34119 | 34429 |
| Base 10 | 252110 | 254910 |
| Base 11 | 199211 | 1a0811 |
| Base 12 | 156112 | 158512 |
| Base 13 | 11bc13 | 121113 |
| Base 14 | cc114 | d0114 |
| Base 15 | b3115 | b4e15 |
| Base 16 | 9d916 | 9f516 |