Compare 331 vs 547
| Property | 331 | 547 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3311 | 5471 |
| Prime factorization | 331 | 547 |
| Divisors count | 2 | 2 |
| Divisors | 1, 331 | 1, 547 |
| Number of properties | 10 | 8 |
| Additive primes | 39th | |
| Centered heptagonal primes | 5th | |
| Cuban primes 1 | 7th | 9th |
| Good primes | 24th | |
| Happy primes | 17th | |
| Harmonic primes | 28th | 42nd |
| Isolated primes | 28th | 52nd |
| Left-truncatable primes | 35th | |
| Lucky primes | 19th | |
| Primes | 67th | 101st |
| Sexy primes (1st member) | 37th | |
| Sexy primes (2nd member) | 48th | |
| Super primes | 19th | 26th |
| Roman numberals | CCCXXXI | DXLVII |
| Base 2 | 1010010112 | 10001000112 |
| Base 3 | 1100213 | 2020213 |
| Base 4 | 110234 | 202034 |
| Base 5 | 23115 | 41425 |
| Base 6 | 13116 | 23116 |
| Base 7 | 6527 | 14117 |
| Base 8 | 5138 | 10438 |
| Base 9 | 4079 | 6679 |
| Base 10 | 33110 | 54710 |
| Base 11 | 28111 | 45811 |
| Base 12 | 23712 | 39712 |
| Base 13 | 1c613 | 33113 |
| Base 14 | 19914 | 2b114 |
| Base 15 | 17115 | 26715 |
| Base 16 | 14b16 | 22316 |