21,861
32 × 7 × 347
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
3^2 × 7 × 347
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
36,192
Proper Divisor Sum
14,331
Digit Sum / Digital Root
18 (Root: 9)
Radix Representation
| Decimal | 21861 |
| Binary | 101010101100101 (15 bits) |
| Octal | 0o52545 |
| Hexadecimal | 0x5565 |
Divisor Catalog (12)
Collatz Trajectory (162 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.