λ
Ratio Atlas
215,985
3 × 5 × 7 × 112 × 17
Abundant Odd Composite

Prime Factor Structure

Factorization String 3 × 5 × 7 × 11^2 × 17
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 459,648
Proper Divisor Sum 243,663
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #215983 ← → #216023

Radix Representation

Decimal 215985
Binary 110100101110110001 (18 bits)
Octal 0o645661
Hexadecimal 0x34BB1

Divisor Catalog (48)

Collatz Trajectory (186 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 #215,984 Browse Full Index Next Integer #215,986 →