λ
Ratio Atlas
639,487
639487
Deficient Odd Prime

Prime Factor Structure

Factorization String 639487
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 639,488
Proper Divisor Sum 1
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #639451 ← → #639491

Radix Representation

Decimal 639487
Binary 10011100000111111111 (20 bits)
Octal 0o2340777
Hexadecimal 0x9C1FF

Divisor Catalog (2)

Collatz Trajectory (278 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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