λ
Ratio Atlas
21,745
5 × 4349
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 4349
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 26,100
Proper Divisor Sum 4,355
Digit Sum / Digital Root 19 (Root: 1)
Adjacent Primes #21739 ← → #21751

Radix Representation

Decimal 21745
Binary 101010011110001 (15 bits)
Octal 0o52361
Hexadecimal 0x54F1

Divisor Catalog (4)

Collatz Trajectory (69 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 #21,744 Browse Full Index Next Integer #21,746 →