λ
Ratio Atlas
21,215
5 × 4243
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 4243
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 25,464
Proper Divisor Sum 4,249
Digit Sum / Digital Root 11 (Root: 2)
Adjacent Primes #21211 ← → #21221

Radix Representation

Decimal 21215
Binary 101001011011111 (15 bits)
Octal 0o51337
Hexadecimal 0x52DF

Divisor Catalog (4)

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.

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