λ
Ratio Atlas
639,744
28 × 3 × 72 × 17
Abundant Even Composite

Prime Factor Structure

Factorization String 2^8 × 3 × 7^2 × 17
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 108
Divisor Sum (σ) 2,097,144
Proper Divisor Sum 1,457,400
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #639739 ← → #639757

Radix Representation

Decimal 639744
Binary 10011100001100000000 (20 bits)
Octal 0o2341400
Hexadecimal 0x9C300

Divisor Catalog (60 of 108)

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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