Compare 541 vs 821
| Property | 541 | 821 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5411 | 8211 |
| Prime factorization | 541 | 821 |
| Divisors count | 2 | 2 |
| Divisors | 1, 541 | 1, 821 |
| Number of properties | 9 | 10 |
| Additive primes | 75th | |
| Chen primes | 71st | 97th |
| Good primes | 28th | 40th |
| Harmonic primes | 41st | |
| Isolated primes | 51st | |
| Long primes | 38th | 50th |
| Lucky primes | 27th | |
| Primes | 100th | 142nd |
| Prime quadruplets (1st member) | 5th | |
| Prime triplets (1st member) | 25th | |
| Pythagorean primes | 47th | 69th |
| Sexy primes (1st member) | 48th | 64th |
| Twin primes (1st member) | 32nd | |
| Roman numberals | DXLI | DCCCXXI |
| Base 2 | 10000111012 | 11001101012 |
| Base 3 | 2020013 | 10101023 |
| Base 4 | 201314 | 303114 |
| Base 5 | 41315 | 112415 |
| Base 6 | 23016 | 34456 |
| Base 7 | 14027 | 22527 |
| Base 8 | 10358 | 14658 |
| Base 9 | 6619 | 11129 |
| Base 10 | 54110 | 82110 |
| Base 11 | 45211 | 68711 |
| Base 12 | 39112 | 58512 |
| Base 13 | 32813 | 4b213 |
| Base 14 | 2a914 | 42914 |
| Base 15 | 26115 | 39b15 |
| Base 16 | 21d16 | 33516 |