21,357
33 × 7 × 113
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
3^3 × 7 × 113
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
36,480
Proper Divisor Sum
15,123
Digit Sum / Digital Root
18 (Root: 9)
Radix Representation
| Decimal | 21357 |
| Binary | 101001101101101 (15 bits) |
| Octal | 0o51555 |
| Hexadecimal | 0x536D |
Divisor Catalog (16)
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.