λ
Ratio Atlas
643,145
5 × 128629
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 128629
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 771,780
Proper Divisor Sum 128,635
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #643129 ← → #643183

Radix Representation

Decimal 643145
Binary 10011101000001001001 (20 bits)
Octal 0o2350111
Hexadecimal 0x9D049

Divisor Catalog (4)

Collatz Trajectory (185 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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