λ
Sigma Notebook

7,842,165

3 × 5 × 522811
Deficient Odd Composite

7,842,165 is odd and not a perfect square. Its factorization is 3 × 5 × 522811 and its 8 divisors sum to 12,547,488.

Prime Factor Structure

Factorization String 3 × 5 × 522811
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,547,488
Proper Divisor Sum 4,705,323
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #7842143 ← → #7842167

Radix Representation

Decimal 7842165
Binary 11101111010100101110101 (23 bits)
Octal 0o35724565
Hexadecimal 0x77A975

Divisor Catalog (8)

1 3 5 15 522,811 1,568,433 2,614,055 7,842,165

Collatz Trajectory (93 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

7,842,165 23,526,496 11,763,248 5,881,624 2,940,812 1,470,406 735,203 2,205,610 1,102,805 3,308,416 1,654,208 827,104 413,552 206,776 103,388 51,694 25,847 77,542 38,771 116,314 58,157 174,472 87,236 43,618 21,809 65,428 32,714 16,357 49,072 24,536 12,268 6,134 3,067 9,202 4,601 13,804 6,902 3,451 10,354 5,177 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922 461 1,384

More profiles

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