21,009
3 × 47 × 149
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
3 × 47 × 149
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
28,800
Proper Divisor Sum
7,791
Digit Sum / Digital Root
12 (Root: 3)
Radix Representation
| Decimal | 21009 |
| Binary | 101001000010001 (15 bits) |
| Octal | 0o51021 |
| Hexadecimal | 0x5211 |
Divisor Catalog (8)
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.