Compare 939 vs 947
| Property | 939 | 947 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 3131 | 9471 |
| Prime factorization | 3 × 313 | 947 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 313, 939 | 1, 947 |
| Number of properties | 1 | 7 |
| Chen primes | 110th | |
| Isolated primes | 92nd | |
| Left-truncatable primes | 50th | |
| Primes | 161st | |
| Semiprimes | 282nd | |
| Sexy primes (1st member) | 71st | |
| Sexy primes (2nd member) | 70th | |
| Sexy prime triplets (2nd member) | 27th | |
| Roman numberals | CMXXXIX | CMXLVII |
| Base 2 | 11101010112 | 11101100112 |
| Base 3 | 10212103 | 10220023 |
| Base 4 | 322234 | 323034 |
| Base 5 | 122245 | 122425 |
| Base 6 | 42036 | 42156 |
| Base 7 | 25117 | 25227 |
| Base 8 | 16538 | 16638 |
| Base 9 | 12539 | 12629 |
| Base 10 | 93910 | 94710 |
| Base 11 | 78411 | 79111 |
| Base 12 | 66312 | 66b12 |
| Base 13 | 57313 | 57b13 |
| Base 14 | 4b114 | 4b914 |
| Base 15 | 42915 | 43215 |
| Base 16 | 3ab16 | 3b316 |