81
34
Deficient
Odd
Composite
Square (√ = 9)
Prime Factor Structure
Factorization String
3^4
Distinct Prime Factors
1
Square Status
Yes (√81 = 9)
Abundance Measure
Deficient
Analytical Properties
Total Divisors
5
Divisor Sum (σ)
121
Proper Divisor Sum
40
Digit Sum / Digital Root
9 (Root: 9)
Radix Representation
| Decimal | 81 |
| Binary | 1010001 (7 bits) |
| Octal | 0o121 |
| Hexadecimal | 0x51 |
Divisor Catalog (5)
Collatz Trajectory (22 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.