Compare 1031 vs 1543
| Property | 1031 | 1543 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10311 | 15431 |
| Prime factorization | 1031 | 1543 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1031 | 1, 1543 |
| Number of properties | 9 | 7 |
| Additive primes | 92nd | 132nd |
| Chen primes | 118th | |
| Emirps | 39th | |
| Good primes | 46th | 55th |
| Isolated primes | 144th | |
| Long primes | 92nd | |
| Lucky primes | 58th | |
| Primes | 173rd | 243rd |
| Sexy primes (1st member) | 106th | |
| Solinas primes | 47th | |
| Sophie germain primes | 40th | |
| Super primes | 40th | |
| Twin primes (1st member) | 37th | |
| Roman numberals | MXXXI | MDXLIII |
| Base 2 | 100000001112 | 110000001112 |
| Base 3 | 11020123 | 20100113 |
| Base 4 | 1000134 | 1200134 |
| Base 5 | 131115 | 221335 |
| Base 6 | 44356 | 110516 |
| Base 7 | 30027 | 43337 |
| Base 8 | 20078 | 30078 |
| Base 9 | 13659 | 21049 |
| Base 10 | 103110 | 154310 |
| Base 11 | 85811 | 118311 |
| Base 12 | 71b12 | a8712 |
| Base 13 | 61413 | 91913 |
| Base 14 | 53914 | 7c314 |
| Base 15 | 48b15 | 6cd15 |
| Base 16 | 40716 | 60716 |