Compare 947 vs 957
| Property | 947 | 957 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 3 | 
| Total factors | 1 | 3 | 
| Prime factorization | 9471 | 31 × 111 × 291 | 
| Prime factorization | 947 | 3 × 11 × 29 | 
| Divisors count | 2 | 8 | 
| Divisors | 1, 947 | 1, 3, 11, 29, 33, 87, 319, 957 | 
| Number of properties | 7 | 0 | 
| Chen primes | 110th | |
| Isolated primes | 92nd | |
| Left-truncatable primes | 50th | |
| Primes | 161st | |
| Sexy primes (1st member) | 71st | |
| Sexy primes (2nd member) | 70th | |
| Sexy prime triplets (2nd member) | 27th | |
| Roman numberals | CMXLVII | CMLVII | 
| Base 2 | 11101100112 | 11101111012 | 
| Base 3 | 10220023 | 10221103 | 
| Base 4 | 323034 | 323314 | 
| Base 5 | 122425 | 123125 | 
| Base 6 | 42156 | 42336 | 
| Base 7 | 25227 | 25357 | 
| Base 8 | 16638 | 16758 | 
| Base 9 | 12629 | 12739 | 
| Base 10 | 94710 | 95710 | 
| Base 11 | 79111 | 7a011 | 
| Base 12 | 66b12 | 67912 | 
| Base 13 | 57b13 | 58813 | 
| Base 14 | 4b914 | 4c514 | 
| Base 15 | 43215 | 43c15 | 
| Base 16 | 3b316 | 3bd16 |