λ
Ratio Atlas
639,986
2 × 319993
Deficient Even Composite

Prime Factor Structure

Factorization String 2 × 319993
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 959,982
Proper Divisor Sum 319,996
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #639983 ← → #639997

Radix Representation

Decimal 639986
Binary 10011100001111110010 (20 bits)
Octal 0o2341762
Hexadecimal 0x9C3F2

Divisor Catalog (4)

Collatz Trajectory (97 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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