21,515
5 × 13 × 331
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
5 × 13 × 331
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
27,888
Proper Divisor Sum
6,373
Digit Sum / Digital Root
14 (Root: 5)
Radix Representation
| Decimal | 21515 |
| Binary | 101010000001011 (15 bits) |
| Octal | 0o52013 |
| Hexadecimal | 0x540B |
Divisor Catalog (8)
Collatz Trajectory (74 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.