Compare 947 vs 1523
| Property | 947 | 1523 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9471 | 15231 |
| Prime factorization | 947 | 1523 |
| Divisors count | 2 | 2 |
| Divisors | 1, 947 | 1, 1523 |
| Number of properties | 7 | 7 |
| Additive primes | 131st | |
| Chen primes | 110th | |
| Emirps | 74th | |
| Isolated primes | 92nd | 142nd |
| Left-truncatable primes | 50th | 59th |
| Primes | 161st | 241st |
| Safe primes | 34th | |
| Sexy primes (1st member) | 71st | |
| Sexy primes (2nd member) | 70th | |
| Sexy prime triplets (2nd member) | 27th | |
| Super primes | 53rd | |
| Roman numberals | CMXLVII | MDXXIII |
| Base 2 | 11101100112 | 101111100112 |
| Base 3 | 10220023 | 20021023 |
| Base 4 | 323034 | 1133034 |
| Base 5 | 122425 | 220435 |
| Base 6 | 42156 | 110156 |
| Base 7 | 25227 | 43047 |
| Base 8 | 16638 | 27638 |
| Base 9 | 12629 | 20729 |
| Base 10 | 94710 | 152310 |
| Base 11 | 79111 | 116511 |
| Base 12 | 66b12 | a6b12 |
| Base 13 | 57b13 | 90213 |
| Base 14 | 4b914 | 7ab14 |
| Base 15 | 43215 | 6b815 |
| Base 16 | 3b316 | 5f316 |