Compare 181231 vs 181242
| Property | 181231 | 181242 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 611 × 29711 | 21 × 32 × 100691 |
| Prime factorization | 61 × 2971 | 2 × 3 × 3 × 10069 |
| Divisors count | 4 | 12 |
| Divisors | 1, 61, 2971, 181231 | 1, 2, 3, 6, 9, 18, 10069, 20138, 30207, 60414, 90621, 181242 |
| Number of properties | 1 | 0 |
| Semiprimes | 41202nd | |
| Roman numberals | ||
| Base 2 | 1011000011111011112 | 1011000011111110102 |
| Base 3 | 1000121210213 | 1000121212003 |
| Base 4 | 2300332334 | 2300333224 |
| Base 5 | 212444115 | 212444325 |
| Base 6 | 35150116 | 35150306 |
| Base 7 | 13532417 | 13532557 |
| Base 8 | 5417578 | 5417728 |
| Base 9 | 3055379 | 3055509 |
| Base 10 | 18123110 | 18124210 |
| Base 11 | 11418611 | 11419611 |
| Base 12 | 88a6712 | 88a7612 |
| Base 13 | 6464b13 | 6465913 |
| Base 14 | 4a09114 | 4a09c14 |
| Base 15 | 38a7115 | 38a7c15 |
| Base 16 | 2c3ef16 | 2c3fa16 |