λ
Ratio Atlas
128,565
32 × 5 × 2857
Deficient Odd Composite

Prime Factor Structure

Factorization String 3^2 × 5 × 2857
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 222,924
Proper Divisor Sum 94,359
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #128563 ← → #128591

Radix Representation

Decimal 128565
Binary 11111011000110101 (17 bits)
Octal 0o373065
Hexadecimal 0x1F635

Divisor Catalog (12)

Collatz Trajectory (30 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.

← Previous Integer #128,564 Browse Full Index Next Integer #128,566 →