λ
Ratio Atlas
21,395,745
34 × 5 × 7 × 7547
Abundant Odd Composite

Prime Factor Structure

Factorization String 3^4 × 5 × 7 × 7547
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 40
Divisor Sum (σ) 43,838,784
Proper Divisor Sum 22,443,039
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #21395723 ← → #21395747

Radix Representation

Decimal 21395745
Binary 1010001100111100100100001 (25 bits)
Octal 0o121474441
Hexadecimal 0x1467921

Divisor Catalog (40)

Collatz Trajectory (190 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 #21,395,744 Browse Full Index Next Integer #21,395,746 →