λ
Ratio Atlas
21,615
3 × 5 × 11 × 131
Deficient Odd Composite

Prime Factor Structure

Factorization String 3 × 5 × 11 × 131
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 38,016
Proper Divisor Sum 16,401
Digit Sum / Digital Root 15 (Root: 6)
Adjacent Primes #21613 ← → #21617

Radix Representation

Decimal 21615
Binary 101010001101111 (15 bits)
Octal 0o52157
Hexadecimal 0x546F

Divisor Catalog (16)

Collatz Trajectory (162 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.

← Previous Integer #21,614 Browse Full Index Next Integer #21,616 →