λ
Ratio Atlas
18,991
7 × 2713
Deficient Odd Composite

Prime Factor Structure

Factorization String 7 × 2713
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 21,712
Proper Divisor Sum 2,721
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #18979 ← → #19001

Radix Representation

Decimal 18991
Binary 100101000101111 (15 bits)
Octal 0o45057
Hexadecimal 0x4A2F

Divisor Catalog (4)

Collatz Trajectory (92 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 #18,990 Browse Full Index Next Integer #18,992 →