λ
Ratio Atlas
81,891
35 × 337
Deficient Odd Composite

Prime Factor Structure

Factorization String 3^5 × 337
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 123,032
Proper Divisor Sum 41,141
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #81883 ← → #81899

Radix Representation

Decimal 81891
Binary 10011111111100011 (17 bits)
Octal 0o237743
Hexadecimal 0x13FE3

Divisor Catalog (12)

Collatz Trajectory (138 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 #81,890 Browse Full Index Next Integer #81,892 →