λ
Ratio Atlas
639,740
22 × 5 × 29 × 1103
Abundant Even Composite

Prime Factor Structure

Factorization String 2^2 × 5 × 29 × 1103
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 1,391,040
Proper Divisor Sum 751,300
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #639739 ← → #639757

Radix Representation

Decimal 639740
Binary 10011100001011111100 (20 bits)
Octal 0o2341374
Hexadecimal 0x9C2FC

Divisor Catalog (24)

Collatz Trajectory (128 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 #639,739 Browse Full Index Next Integer #639,741 →