Compare 821 vs 1049
| Property | 821 | 1049 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8211 | 10491 |
| Prime factorization | 821 | 1049 |
| Divisors count | 2 | 2 |
| Divisors | 1, 821 | 1, 1049 |
| Number of properties | 10 | 5 |
| Additive primes | 75th | |
| Chen primes | 97th | 120th |
| Good primes | 40th | |
| Long primes | 50th | |
| Primes | 142nd | 176th |
| Prime quadruplets (1st member) | 5th | |
| Prime triplets (1st member) | 25th | |
| Pythagorean primes | 69th | 85th |
| Sexy primes (1st member) | 64th | |
| Sophie germain primes | 41st | |
| Twin primes (1st member) | 32nd | 38th |
| Roman numberals | DCCCXXI | MXLIX |
| Base 2 | 11001101012 | 100000110012 |
| Base 3 | 10101023 | 11022123 |
| Base 4 | 303114 | 1001214 |
| Base 5 | 112415 | 131445 |
| Base 6 | 34456 | 45056 |
| Base 7 | 22527 | 30267 |
| Base 8 | 14658 | 20318 |
| Base 9 | 11129 | 13859 |
| Base 10 | 82110 | 104910 |
| Base 11 | 68711 | 87411 |
| Base 12 | 58512 | 73512 |
| Base 13 | 4b213 | 62913 |
| Base 14 | 42914 | 54d14 |
| Base 15 | 39b15 | 49e15 |
| Base 16 | 33516 | 41916 |