Compare 461 vs 643
| Property | 461 | 643 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 4611 | 6431 | 
| Prime factorization | 461 | 643 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 461 | 1, 643 | 
| Number of properties | 12 | 7 | 
| Additive primes | 51st | 63rd | 
| Chen primes | 62nd | |
| Cousin primes (1st member) | 29th | |
| Cousin primes (2nd member) | 24th | |
| Harmonic primes | 34th | |
| Left-truncatable primes | 38th | |
| Long primes | 32nd | |
| Lucky primes | 33rd | |
| Primes | 89th | 117th | 
| Prime triplets (1st member) | 22nd | |
| Prime triplets (2nd member) | 21st | 24th | 
| Pythagorean primes | 44th | |
| Sexy primes (1st member) | 46th | |
| Super primes | 24th | |
| Twin primes (1st member) | 24th | |
| Twin primes (2nd member) | 29th | |
| Roman numberals | CDLXI | DCXLIII | 
| Base 2 | 1110011012 | 10100000112 | 
| Base 3 | 1220023 | 2122113 | 
| Base 4 | 130314 | 220034 | 
| Base 5 | 33215 | 100335 | 
| Base 6 | 20456 | 25516 | 
| Base 7 | 12267 | 16067 | 
| Base 8 | 7158 | 12038 | 
| Base 9 | 5629 | 7849 | 
| Base 10 | 46110 | 64310 | 
| Base 11 | 38a11 | 53511 | 
| Base 12 | 32512 | 45712 | 
| Base 13 | 29613 | 3a613 | 
| Base 14 | 24d14 | 33d14 | 
| Base 15 | 20b15 | 2cd15 | 
| Base 16 | 1cd16 | 28316 |