λ
Sigma Notebook
628
22 × 157
Deficient Even Composite

Prime Factor Structure

Factorization String 2^2 × 157
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 1,106
Proper Divisor Sum 478
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #619 ← → #631

Radix Representation

Decimal 628
Binary 1001110100 (10 bits)
Octal 0o1164
Hexadecimal 0x274

Divisor Catalog (6)

Collatz Trajectory (38 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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