λ
Ratio Atlas
21,397
21397
Deficient Odd Prime

Prime Factor Structure

Factorization String 21397
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 21,398
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #21391 ← → #21401

Radix Representation

Decimal 21397
Binary 101001110010101 (15 bits)
Octal 0o51625
Hexadecimal 0x5395

Divisor Catalog (2)

Collatz Trajectory (48 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.

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