Compare 671 vs 683
| Property | 671 | 683 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 611 | 6831 |
| Prime factorization | 11 × 61 | 683 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 61, 671 | 1, 683 |
| Number of properties | 1 | 10 |
| Additive primes | 66th | |
| Chen primes | 86th | |
| Happy primes | 28th | |
| Harmonic primes | 49th | |
| Isolated primes | 65th | |
| Left-truncatable primes | 42nd | |
| Primes | 124th | |
| Semiprimes | 201st | |
| Sexy primes (2nd member) | 60th | |
| Sophie germain primes | 31st | |
| Wagstaff primes | 4th | |
| Roman numberals | DCLXXI | DCLXXXIII |
| Base 2 | 10100111112 | 10101010112 |
| Base 3 | 2202123 | 2210223 |
| Base 4 | 221334 | 222234 |
| Base 5 | 101415 | 102135 |
| Base 6 | 30356 | 30556 |
| Base 7 | 16467 | 16647 |
| Base 8 | 12378 | 12538 |
| Base 9 | 8259 | 8389 |
| Base 10 | 67110 | 68310 |
| Base 11 | 56011 | 57111 |
| Base 12 | 47b12 | 48b12 |
| Base 13 | 3c813 | 40713 |
| Base 14 | 35d14 | 36b14 |
| Base 15 | 2eb15 | 30815 |
| Base 16 | 29f16 | 2ab16 |