Compare 347 vs 547
| Property | 347 | 547 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3471 | 5471 |
| Prime factorization | 347 | 547 |
| Divisors count | 2 | 2 |
| Divisors | 1, 347 | 1, 547 |
| Number of properties | 10 | 8 |
| Centered heptagonal primes | 5th | |
| Chen primes | 51st | |
| Cuban primes 1 | 9th | |
| Emirps | 18th | |
| Good primes | 25th | |
| Harmonic primes | 42nd | |
| Isolated primes | 52nd | |
| Left-truncatable primes | 26th | 35th |
| Primes | 69th | 101st |
| Prime triplets (1st member) | 20th | |
| Safe primes | 13th | |
| Sexy primes (1st member) | 38th | |
| Sexy primes (2nd member) | 48th | |
| Sexy prime triplets (1st member) | 18th | |
| Super primes | 26th | |
| Twin primes (1st member) | 21st | |
| Roman numberals | CCCXLVII | DXLVII |
| Base 2 | 1010110112 | 10001000112 |
| Base 3 | 1102123 | 2020213 |
| Base 4 | 111234 | 202034 |
| Base 5 | 23425 | 41425 |
| Base 6 | 13356 | 23116 |
| Base 7 | 10047 | 14117 |
| Base 8 | 5338 | 10438 |
| Base 9 | 4259 | 6679 |
| Base 10 | 34710 | 54710 |
| Base 11 | 29611 | 45811 |
| Base 12 | 24b12 | 39712 |
| Base 13 | 20913 | 33113 |
| Base 14 | 1ab14 | 2b114 |
| Base 15 | 18215 | 26715 |
| Base 16 | 15b16 | 22316 |