λ
Ratio Atlas
643,385
5 × 128677
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 128677
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 772,068
Proper Divisor Sum 128,683
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #643373 ← → #643403

Radix Representation

Decimal 643385
Binary 10011101000100111001 (20 bits)
Octal 0o2350471
Hexadecimal 0x9D139

Divisor Catalog (4)

Collatz Trajectory (123 steps to reach 1)

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

Active Feeder Network

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.

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