λ
Ratio Atlas
217,991
17 × 12823
Deficient Odd Composite

Prime Factor Structure

Factorization String 17 × 12823
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 230,832
Proper Divisor Sum 12,841
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #217981 ← → #218003

Radix Representation

Decimal 217991
Binary 110101001110000111 (18 bits)
Octal 0o651607
Hexadecimal 0x35387

Divisor Catalog (4)

Collatz Trajectory (98 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 #217,990 Browse Full Index Next Integer #217,992 →