λ
Ratio Atlas
128,540
22 × 5 × 6427
Abundant Even Composite

Prime Factor Structure

Factorization String 2^2 × 5 × 6427
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 269,976
Proper Divisor Sum 141,436
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #128521 ← → #128549

Radix Representation

Decimal 128540
Binary 11111011000011100 (17 bits)
Octal 0o373034
Hexadecimal 0x1F61C

Divisor Catalog (12)

Collatz Trajectory (48 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 #128,539 Browse Full Index Next Integer #128,541 →