Compare 1526 vs 1531
| Property | 1526 | 1531 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 1091 | 15311 |
| Prime factorization | 2 × 7 × 109 | 1531 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 109, 218, 763, 1526 | 1, 1531 |
| Number of properties | 0 | 5 |
| Centered decagonal primes | 13th | |
| Isolated primes | 143rd | |
| Long primes | 91st | |
| Primes | 242nd | |
| Ulam primes | 22nd | |
| Roman numberals | MDXXVI | MDXXXI |
| Base 2 | 101111101102 | 101111110112 |
| Base 3 | 20021123 | 20022013 |
| Base 4 | 1133124 | 1133234 |
| Base 5 | 221015 | 221115 |
| Base 6 | 110226 | 110316 |
| Base 7 | 43107 | 43157 |
| Base 8 | 27668 | 27738 |
| Base 9 | 20759 | 20819 |
| Base 10 | 152610 | 153110 |
| Base 11 | 116811 | 117211 |
| Base 12 | a7212 | a7712 |
| Base 13 | 90513 | 90a13 |
| Base 14 | 7b014 | 7b514 |
| Base 15 | 6bb15 | 6c115 |
| Base 16 | 5f616 | 5fb16 |