λ
Ratio Atlas
1,997,681
72 × 59 × 691
Deficient Odd Composite

Prime Factor Structure

Factorization String 7^2 × 59 × 691
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,366,640
Proper Divisor Sum 368,959
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #1997663 ← → #1997683

Radix Representation

Decimal 1997681
Binary 111100111101101110001 (21 bits)
Octal 0o7475561
Hexadecimal 0x1E7B71

Divisor Catalog (12)

Collatz Trajectory (78 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 #1,997,680 Browse Full Index Next Integer #1,997,682 →