Compare 947 vs 1223
| Property | 947 | 1223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9471 | 12231 |
| Prime factorization | 947 | 1223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 947 | 1, 1223 |
| Number of properties | 7 | 10 |
| Chen primes | 110th | |
| Emirps | 54th | |
| Harmonic primes | 70th | |
| Isolated primes | 92nd | 119th |
| Left-truncatable primes | 50th | 55th |
| Long primes | 77th | |
| Primes | 161st | 200th |
| Sexy primes (1st member) | 71st | 87th |
| Sexy primes (2nd member) | 70th | 86th |
| Sexy prime triplets (2nd member) | 27th | 33rd |
| Sophie germain primes | 43rd | |
| Roman numberals | CMXLVII | MCCXXIII |
| Base 2 | 11101100112 | 100110001112 |
| Base 3 | 10220023 | 12000223 |
| Base 4 | 323034 | 1030134 |
| Base 5 | 122425 | 143435 |
| Base 6 | 42156 | 53556 |
| Base 7 | 25227 | 33657 |
| Base 8 | 16638 | 23078 |
| Base 9 | 12629 | 16089 |
| Base 10 | 94710 | 122310 |
| Base 11 | 79111 | a1211 |
| Base 12 | 66b12 | 85b12 |
| Base 13 | 57b13 | 73113 |
| Base 14 | 4b914 | 63514 |
| Base 15 | 43215 | 56815 |
| Base 16 | 3b316 | 4c716 |