λ
Ratio Atlas
644,128
25 × 20129
Deficient Even Composite

Prime Factor Structure

Factorization String 2^5 × 20129
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 1,268,190
Proper Divisor Sum 624,062
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #644123 ← → #644129

Radix Representation

Decimal 644128
Binary 10011101010000100000 (20 bits)
Octal 0o2352040
Hexadecimal 0x9D420

Divisor Catalog (12)

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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