λ
Ratio Atlas
66,521
7 × 13 × 17 × 43
Deficient Odd Composite

Prime Factor Structure

Factorization String 7 × 13 × 17 × 43
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 88,704
Proper Divisor Sum 22,183
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #66509 ← → #66523

Radix Representation

Decimal 66521
Binary 10000001111011001 (17 bits)
Octal 0o201731
Hexadecimal 0x103D9

Divisor Catalog (16)

Collatz Trajectory (68 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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