Compare 21151 vs 21156
| Property | 21151 | 21156 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 131 × 16271 | 22 × 31 × 411 × 431 |
| Prime factorization | 13 × 1627 | 2 × 2 × 3 × 41 × 43 |
| Divisors count | 4 | 24 |
| Divisors | 1, 13, 1627, 21151 | 1, 2, 3, 4, 6, 12, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 492, 516, 1763, 3526, 5289, 7052, 10578, 21156 |
| Number of properties | 1 | 0 |
| Semiprimes | 5362nd | |
| Roman numberals | ||
| Base 2 | 1010010100111112 | 1010010101001002 |
| Base 3 | 10020001013 | 10020001203 |
| Base 4 | 110221334 | 110222104 |
| Base 5 | 11341015 | 11341115 |
| Base 6 | 2415316 | 2415406 |
| Base 7 | 1154447 | 1154527 |
| Base 8 | 512378 | 512448 |
| Base 9 | 320119 | 320169 |
| Base 10 | 2115110 | 2115610 |
| Base 11 | 1498911 | 1499311 |
| Base 12 | 102a712 | 102b012 |
| Base 13 | 982013 | 982513 |
| Base 14 | 79cb14 | 79d214 |
| Base 15 | 640115 | 640615 |
| Base 16 | 529f16 | 52a416 |