Compare 1361 vs 1531
| Property | 1361 | 1531 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13611 | 15311 |
| Prime factorization | 1361 | 1531 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1361 | 1, 1531 |
| Number of properties | 9 | 5 |
| Additive primes | 120th | |
| Centered decagonal primes | 12th | 13th |
| Chen primes | 142nd | |
| Isolated primes | 127th | 143rd |
| Long primes | 91st | |
| Mills primes | 3rd | |
| Primes | 218th | 242nd |
| Pythagorean primes | 107th | |
| Sexy primes (1st member) | 95th | |
| Sexy prime triplets (1st member) | 36th | |
| Ulam primes | 22nd | |
| Roman numberals | MCCCLXI | MDXXXI |
| Base 2 | 101010100012 | 101111110112 |
| Base 3 | 12121023 | 20022013 |
| Base 4 | 1111014 | 1133234 |
| Base 5 | 204215 | 221115 |
| Base 6 | 101456 | 110316 |
| Base 7 | 36537 | 43157 |
| Base 8 | 25218 | 27738 |
| Base 9 | 17729 | 20819 |
| Base 10 | 136110 | 153110 |
| Base 11 | 102811 | 117211 |
| Base 12 | 95512 | a7712 |
| Base 13 | 80913 | 90a13 |
| Base 14 | 6d314 | 7b514 |
| Base 15 | 60b15 | 6c115 |
| Base 16 | 55116 | 5fb16 |