21,005
5 × 4201
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
5 × 4201
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
25,212
Proper Divisor Sum
4,207
Digit Sum / Digital Root
8 (Root: 8)
Radix Representation
| Decimal | 21005 |
| Binary | 101001000001101 (15 bits) |
| Octal | 0o51015 |
| Hexadecimal | 0x520D |
Divisor Catalog (4)
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.