Compare 161540 vs 161547
| Property | 161540 | 161547 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 51 × 411 × 1971 | 31 × 538491 |
| Prime factorization | 2 × 2 × 5 × 41 × 197 | 3 × 53849 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 41, 82, 164, 197, 205, 394, 410, 788, 820, 985, 1970, 3940, 8077, 16154, 32308, 40385, 80770, 161540 | 1, 3, 53849, 161547 |
| Number of properties | 0 | 1 |
| Semiprimes | 36902nd | |
| Roman numberals | ||
| Base 2 | 1001110111000001002 | 1001110111000010112 |
| Base 3 | 220121202223 | 220121210203 |
| Base 4 | 2131300104 | 2131300234 |
| Base 5 | 201321305 | 201321425 |
| Base 6 | 32435126 | 32435236 |
| Base 7 | 12416517 | 12416617 |
| Base 8 | 4734048 | 4734138 |
| Base 9 | 2655289 | 2655369 |
| Base 10 | 16154010 | 16154710 |
| Base 11 | 10040511 | 10041111 |
| Base 12 | 7959812 | 795a312 |
| Base 13 | 586b213 | 586b913 |
| Base 14 | 42c2814 | 42c3114 |
| Base 15 | 32ce515 | 32cec15 |
| Base 16 | 2770416 | 2770b16 |