λ
Sigma Notebook

8,578,129

7 × 823 × 1489
Deficient Odd Composite

8,578,129 is odd and not a perfect square. Its factorization is 7 × 823 × 1489 and its 8 divisors sum to 9,822,080.

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Prime Factor Structure

Factorization String 7 × 823 × 1489
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,822,080
Proper Divisor Sum 1,243,951
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #8578127 ← → #8578147

Radix Representation

Decimal 8578129
Binary 100000101110010001010001 (24 bits)
Octal 0o40562121
Hexadecimal 0x82E451

Divisor Catalog (5 of 8)

1 7 823 1,489 5,761

Collatz Trajectory (150 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

8,578,129 25,734,388 12,867,194 6,433,597 19,300,792

More profiles

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