Compare 2521 vs 2999
| Property | 2521 | 2999 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25211 | 29991 |
| Prime factorization | 2521 | 2999 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2521 | 1, 2999 |
| Number of properties | 6 | 6 |
| Additive primes | 222nd | |
| Centered square primes | 18th | |
| Chen primes | 257th | |
| Good primes | 71st | 80th |
| Harmonic primes | 138th | |
| Isolated primes | 226th | |
| Primes | 369th | 430th |
| Pythagorean primes | 181st | |
| Safe primes | 50th | |
| Twin primes (1st member) | 82nd | |
| Roman numberals | MMDXXI | MMCMXCIX |
| Base 2 | 1001110110012 | 1011101101112 |
| Base 3 | 101101013 | 110100023 |
| Base 4 | 2131214 | 2323134 |
| Base 5 | 400415 | 434445 |
| Base 6 | 154016 | 215156 |
| Base 7 | 102317 | 115137 |
| Base 8 | 47318 | 56678 |
| Base 9 | 34119 | 41029 |
| Base 10 | 252110 | 299910 |
| Base 11 | 199211 | 228711 |
| Base 12 | 156112 | 189b12 |
| Base 13 | 11bc13 | 149913 |
| Base 14 | cc114 | 114314 |
| Base 15 | b3115 | d4e15 |
| Base 16 | 9d916 | bb716 |