λ
Ratio Atlas
21,128
23 × 19 × 139
Deficient Even Composite

Prime Factor Structure

Factorization String 2^3 × 19 × 139
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 42,000
Proper Divisor Sum 20,872
Digit Sum / Digital Root 14 (Root: 5)
Adjacent Primes #21121 ← → #21139

Radix Representation

Decimal 21128
Binary 101001010001000 (15 bits)
Octal 0o51210
Hexadecimal 0x5288

Divisor Catalog (16)

Collatz Trajectory (105 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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