λ
Ratio Atlas
216,866
2 × 13 × 19 × 439
Deficient Even Composite

Prime Factor Structure

Factorization String 2 × 13 × 19 × 439
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 369,600
Proper Divisor Sum 152,734
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #216859 ← → #216877

Radix Representation

Decimal 216866
Binary 110100111100100010 (18 bits)
Octal 0o647442
Hexadecimal 0x34F22

Divisor Catalog (16)

Collatz Trajectory (80 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 #216,865 Browse Full Index Next Integer #216,867 →