λ
Ratio Atlas
640,385
5 × 211 × 607
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 211 × 607
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 773,376
Proper Divisor Sum 132,991
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #640369 ← → #640411

Radix Representation

Decimal 640385
Binary 10011100010110000001 (20 bits)
Octal 0o2342601
Hexadecimal 0x9C581

Divisor Catalog (8)

Collatz Trajectory (234 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 #640,384 Browse Full Index Next Integer #640,386 →