Compare 1531 vs 1534
| Property | 1531 | 1534 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 15311 | 21 × 131 × 591 |
| Prime factorization | 1531 | 2 × 13 × 59 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1531 | 1, 2, 13, 26, 59, 118, 767, 1534 |
| Number of properties | 5 | 0 |
| Centered decagonal primes | 13th | |
| Isolated primes | 143rd | |
| Long primes | 91st | |
| Primes | 242nd | |
| Ulam primes | 22nd | |
| Roman numberals | MDXXXI | MDXXXIV |
| Base 2 | 101111110112 | 101111111102 |
| Base 3 | 20022013 | 20022113 |
| Base 4 | 1133234 | 1133324 |
| Base 5 | 221115 | 221145 |
| Base 6 | 110316 | 110346 |
| Base 7 | 43157 | 43217 |
| Base 8 | 27738 | 27768 |
| Base 9 | 20819 | 20849 |
| Base 10 | 153110 | 153410 |
| Base 11 | 117211 | 117511 |
| Base 12 | a7712 | a7a12 |
| Base 13 | 90a13 | 91013 |
| Base 14 | 7b514 | 7b814 |
| Base 15 | 6c115 | 6c415 |
| Base 16 | 5fb16 | 5fe16 |