645
3 × 5 × 43
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
3 × 5 × 43
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
1,056
Proper Divisor Sum
411
Digit Sum / Digital Root
15 (Root: 6)
Radix Representation
| Decimal | 645 |
| Binary | 1010000101 (10 bits) |
| Octal | 0o1205 |
| Hexadecimal | 0x285 |
Divisor Catalog (8)
Collatz Trajectory (100 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.