Compare 451 vs 461
| Property | 451 | 461 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 411 | 4611 |
| Prime factorization | 11 × 41 | 461 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 41, 451 | 1, 461 |
| Number of properties | 1 | 12 |
| Additive primes | 51st | |
| Chen primes | 62nd | |
| Cousin primes (2nd member) | 24th | |
| Harmonic primes | 34th | |
| Long primes | 32nd | |
| Primes | 89th | |
| Prime triplets (1st member) | 22nd | |
| Prime triplets (2nd member) | 21st | |
| Pythagorean primes | 44th | |
| Semiprimes | 139th | |
| Sexy primes (1st member) | 46th | |
| Super primes | 24th | |
| Twin primes (1st member) | 24th | |
| Roman numberals | CDLI | CDLXI |
| Base 2 | 1110000112 | 1110011012 |
| Base 3 | 1212013 | 1220023 |
| Base 4 | 130034 | 130314 |
| Base 5 | 33015 | 33215 |
| Base 6 | 20316 | 20456 |
| Base 7 | 12137 | 12267 |
| Base 8 | 7038 | 7158 |
| Base 9 | 5519 | 5629 |
| Base 10 | 45110 | 46110 |
| Base 11 | 38011 | 38a11 |
| Base 12 | 31712 | 32512 |
| Base 13 | 28913 | 29613 |
| Base 14 | 24314 | 24d14 |
| Base 15 | 20115 | 20b15 |
| Base 16 | 1c316 | 1cd16 |