λ
Ratio Atlas
643,565
5 × 13 × 9901
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 13 × 9901
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 831,768
Proper Divisor Sum 188,203
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #643553 ← → #643567

Radix Representation

Decimal 643565
Binary 10011101000111101101 (20 bits)
Octal 0o2350755
Hexadecimal 0x9D1ED

Divisor Catalog (8)

Collatz Trajectory (71 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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