Compare 1361 vs 1861
| Property | 1361 | 1861 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 13611 | 18611 | 
| Prime factorization | 1361 | 1861 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1361 | 1, 1861 | 
| Number of properties | 9 | 10 | 
| Additive primes | 120th | |
| Centered decagonal primes | 12th | |
| Centered square primes | 15th | |
| Chen primes | 142nd | |
| Good primes | 58th | |
| Harmonic primes | 103rd | |
| Isolated primes | 127th | 173rd | 
| Long primes | 112th | |
| Mills primes | 3rd | |
| Primes | 218th | 284th | 
| Pythagorean primes | 107th | 137th | 
| Sexy primes (1st member) | 95th | 120th | 
| Sexy prime quadrupletss (1st member) | 12th | |
| Sexy prime triplets (1st member) | 36th | 47th | 
| Roman numberals | MCCCLXI | MDCCCLXI | 
| Base 2 | 101010100012 | 111010001012 | 
| Base 3 | 12121023 | 21122213 | 
| Base 4 | 1111014 | 1310114 | 
| Base 5 | 204215 | 244215 | 
| Base 6 | 101456 | 123416 | 
| Base 7 | 36537 | 52667 | 
| Base 8 | 25218 | 35058 | 
| Base 9 | 17729 | 24879 | 
| Base 10 | 136110 | 186110 | 
| Base 11 | 102811 | 144211 | 
| Base 12 | 95512 | 10b112 | 
| Base 13 | 80913 | b0213 | 
| Base 14 | 6d314 | 96d14 | 
| Base 15 | 60b15 | 84115 | 
| Base 16 | 55116 | 74516 |