λ
Ratio Atlas
643,685
5 × 7 × 53 × 347
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 7 × 53 × 347
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 902,016
Proper Divisor Sum 258,331
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #643681 ← → #643691

Radix Representation

Decimal 643685
Binary 10011101001001100101 (20 bits)
Octal 0o2351145
Hexadecimal 0x9D265

Divisor Catalog (16)

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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