Compare 1031 vs 1861
| Property | 1031 | 1861 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10311 | 18611 |
| Prime factorization | 1031 | 1861 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1031 | 1, 1861 |
| Number of properties | 9 | 10 |
| Additive primes | 92nd | |
| Centered square primes | 15th | |
| Chen primes | 118th | |
| Emirps | 39th | |
| Good primes | 46th | 58th |
| Harmonic primes | 103rd | |
| Isolated primes | 173rd | |
| Long primes | 112th | |
| Primes | 173rd | 284th |
| Pythagorean primes | 137th | |
| Sexy primes (1st member) | 120th | |
| Sexy prime quadrupletss (1st member) | 12th | |
| Sexy prime triplets (1st member) | 47th | |
| Solinas primes | 47th | |
| Sophie germain primes | 40th | |
| Super primes | 40th | |
| Twin primes (1st member) | 37th | |
| Roman numberals | MXXXI | MDCCCLXI |
| Base 2 | 100000001112 | 111010001012 |
| Base 3 | 11020123 | 21122213 |
| Base 4 | 1000134 | 1310114 |
| Base 5 | 131115 | 244215 |
| Base 6 | 44356 | 123416 |
| Base 7 | 30027 | 52667 |
| Base 8 | 20078 | 35058 |
| Base 9 | 13659 | 24879 |
| Base 10 | 103110 | 186110 |
| Base 11 | 85811 | 144211 |
| Base 12 | 71b12 | 10b112 |
| Base 13 | 61413 | b0213 |
| Base 14 | 53914 | 96d14 |
| Base 15 | 48b15 | 84115 |
| Base 16 | 40716 | 74516 |