λ
Ratio Atlas
21,978
2 × 33 × 11 × 37
Abundant Even Composite

Prime Factor Structure

Factorization String 2 × 3^3 × 11 × 37
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 54,720
Proper Divisor Sum 32,742
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #21977 ← → #21991

Radix Representation

Decimal 21978
Binary 101010111011010 (15 bits)
Octal 0o52732
Hexadecimal 0x55DA

Divisor Catalog (32)

Collatz Trajectory (69 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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