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Integer Codex
643
643
Deficient Odd Prime

Prime Factor Structure

Factorization String 643
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 644
Proper Divisor Sum 1
Digit Sum / Digital Root 13 (Root: 4)
Adjacent Primes #641 ← → #647

Radix Representation

Decimal 643
Binary 1010000011 (10 bits)
Octal 0o1203
Hexadecimal 0x283

Divisor Catalog (2)

1 643

Collatz Trajectory (25 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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