Compare 1481 vs 1531
| Property | 1481 | 1531 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14811 | 15311 |
| Prime factorization | 1481 | 1531 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1481 | 1, 1531 |
| Number of properties | 13 | 5 |
| Centered decagonal primes | 13th | |
| Chen primes | 152nd | |
| Happy primes | 46th | |
| Harmonic primes | 80th | |
| Isolated primes | 143rd | |
| Long primes | 91st | |
| Primes | 234th | 242nd |
| Prime quadruplets (1st member) | 6th | |
| Prime quintuplet 2s (1st member) | 4th | |
| Prime triplets (1st member) | 39th | |
| Pythagorean primes | 114th | |
| Sexy primes (1st member) | 102nd | |
| Sexy prime quadrupletss (1st member) | 9th | |
| Sexy prime triplets (1st member) | 39th | |
| Sophie germain primes | 49th | |
| Twin primes (1st member) | 49th | |
| Ulam primes | 22nd | |
| Roman numberals | MCDLXXXI | MDXXXI |
| Base 2 | 101110010012 | 101111110112 |
| Base 3 | 20002123 | 20022013 |
| Base 4 | 1130214 | 1133234 |
| Base 5 | 214115 | 221115 |
| Base 6 | 105056 | 110316 |
| Base 7 | 42147 | 43157 |
| Base 8 | 27118 | 27738 |
| Base 9 | 20259 | 20819 |
| Base 10 | 148110 | 153110 |
| Base 11 | 112711 | 117211 |
| Base 12 | a3512 | a7712 |
| Base 13 | 89c13 | 90a13 |
| Base 14 | 77b14 | 7b514 |
| Base 15 | 68b15 | 6c115 |
| Base 16 | 5c916 | 5fb16 |