21,985
5 × 4397
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
5 × 4397
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
26,388
Proper Divisor Sum
4,403
Digit Sum / Digital Root
25 (Root: 7)
Radix Representation
| Decimal | 21985 |
| Binary | 101010111100001 (15 bits) |
| Octal | 0o52741 |
| Hexadecimal | 0x55E1 |
Divisor Catalog (4)
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.