21,157
21157
Deficient
Odd
Prime
Prime Factor Structure
Factorization String
21157
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
21,158
Proper Divisor Sum
1
Digit Sum / Digital Root
16 (Root: 7)
Radix Representation
| Decimal | 21157 |
| Binary | 101001010100101 (15 bits) |
| Octal | 0o51245 |
| Hexadecimal | 0x52A5 |
Divisor Catalog (2)
Collatz Trajectory (56 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.