1,521
32 × 132
Deficient
Odd
Composite
Square (√ = 39)
Prime Factor Structure
Factorization String
3^2 × 13^2
Distinct Prime Factors
2
Square Status
Yes (√1521 = 39)
Abundance Measure
Deficient
Analytical Properties
Total Divisors
9
Divisor Sum (σ)
2,379
Proper Divisor Sum
858
Digit Sum / Digital Root
9 (Root: 9)
Radix Representation
| Decimal | 1521 |
| Binary | 10111110001 (11 bits) |
| Octal | 0o2761 |
| Hexadecimal | 0x5F1 |
Divisor Catalog (9)
Collatz Trajectory (109 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.