λ
Sigma Notebook
128
27
Deficient Even Composite

Prime Factor Structure

Factorization String 2^7
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 255
Proper Divisor Sum 127
Digit Sum / Digital Root 11 (Root: 2)
Adjacent Primes #127 ← → #131

Radix Representation

Decimal 128
Binary 10000000 (8 bits)
Octal 0o200
Hexadecimal 0x80

Divisor Catalog (8)

1 2 4 8 16 32 64 128

Collatz Trajectory (7 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

128 64 32 16 8 4 2 1

Active Feeder Network

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.

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