128,405
5 × 61 × 421
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
5 × 61 × 421
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
156,984
Proper Divisor Sum
28,579
Digit Sum / Digital Root
20 (Root: 2)
Radix Representation
| Decimal | 128405 |
| Binary | 11111010110010101 (17 bits) |
| Octal | 0o372625 |
| Hexadecimal | 0x1F595 |
Divisor Catalog (8)
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.