Compare 673 vs 991
| Property | 673 | 991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6731 | 9911 |
| Prime factorization | 673 | 991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 673 | 1, 991 |
| Number of properties | 9 | 10 |
| Additive primes | 89th | |
| Chen primes | 115th | |
| Cousin primes (1st member) | 30th | |
| Emirps | 36th | |
| Happy primes | 27th | |
| Isolated primes | 63rd | 98th |
| Left-truncatable primes | 41st | |
| Lucky primes | 34th | 42nd |
| Primes | 122nd | 167th |
| Proth primes | 15th | |
| Pythagorean primes | 58th | |
| Sexy primes (1st member) | 74th | |
| Solinas primes | 43rd | |
| Super primes | 39th | |
| Ulam primes | 14th | 18th |
| Roman numberals | DCLXXIII | CMXCI |
| Base 2 | 10101000012 | 11110111112 |
| Base 3 | 2202213 | 11002013 |
| Base 4 | 222014 | 331334 |
| Base 5 | 101435 | 124315 |
| Base 6 | 30416 | 43316 |
| Base 7 | 16517 | 26147 |
| Base 8 | 12418 | 17378 |
| Base 9 | 8279 | 13219 |
| Base 10 | 67310 | 99110 |
| Base 11 | 56211 | 82111 |
| Base 12 | 48112 | 6a712 |
| Base 13 | 3ca13 | 5b313 |
| Base 14 | 36114 | 50b14 |
| Base 15 | 2ed15 | 46115 |
| Base 16 | 2a116 | 3df16 |