λ
Ratio Atlas
81,890
2 × 5 × 19 × 431
Deficient Even Composite

Prime Factor Structure

Factorization String 2 × 5 × 19 × 431
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 155,520
Proper Divisor Sum 73,630
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #81883 ← → #81899

Radix Representation

Decimal 81890
Binary 10011111111100010 (17 bits)
Octal 0o237742
Hexadecimal 0x13FE2

Divisor Catalog (16)

Collatz Trajectory (138 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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