Integer Profile
1,680,021
3^4 × 7 × 2963
Prime factors, divisor sums, positional representations and sequence properties for 1,680,021. The prime factorization is 3^4 × 7 × 2963.
Number of positive divisors: 20. Showing the recorded part of the sequence: 176.
Collatz trajectory (176 steps)
Even: n → n/2; Odd: n → 3n + 1
1,680,0215,040,0642,520,0321,260,016630,008315,004157,50278,751236,254118,127354,382177,191531,574265,787797,362398,6811,196,044598,022299,011897,034448,5171,345,552672,776336,388168,19484,097252,292126,14663,073189,22094,61047,305141,91670,95835,479106,43853,219159,65879,829239,488119,74459,87229,93614,9687,4843,7421,8715,6142,8078,4224,21112,6346,31718,9529,4764,7382,3697,1083,5541,777
Showing 60 of 60.
Prime factorization
- Factorization
- 3^4 × 7 × 2963
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Odd
Arithmetic properties
- Positive divisors
- 20
- Divisor sum
- 2,869,152
- Proper-divisor sum
- 1,189,131
- Digit sum
- 18
- Digital root
- 9
Number bases
- Decimal
- 1680021
- Binary
- 110011010001010010101 (21 bits)
- Octal
- 0o6321225
- Hexadecimal
- 0x19A295
Divisor catalog (20)
1379212763811895672,9638,88920,74126,66762,22380,001186,669240,003560,0071,680,021
Showing 20 of 20.
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