λ
Ratio Atlas
389
389
Deficient Odd Prime

Prime Factor Structure

Factorization String 389
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 390
Proper Divisor Sum 1
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #383 ← → #397

Radix Representation

Decimal 389
Binary 110000101 (9 bits)
Octal 0o605
Hexadecimal 0x185

Divisor Catalog (2)

1 389

Collatz Trajectory (120 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 #388 Browse Full Index Next Integer #390 →