λ
Ratio Atlas
21,915
32 × 5 × 487
Deficient Odd Composite

Prime Factor Structure

Factorization String 3^2 × 5 × 487
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 38,064
Proper Divisor Sum 16,149
Digit Sum / Digital Root 18 (Root: 9)
Adjacent Primes #21911 ← → #21929

Radix Representation

Decimal 21915
Binary 101010110011011 (15 bits)
Octal 0o52633
Hexadecimal 0x559B

Divisor Catalog (12)

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 #21,914 Browse Full Index Next Integer #21,916 →