λ
Ratio Atlas
687,680
26 × 5 × 7 × 307
Abundant Even Composite

Prime Factor Structure

Factorization String 2^6 × 5 × 7 × 307
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 56
Divisor Sum (σ) 1,877,568
Proper Divisor Sum 1,189,888
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #687679 ← → #687683

Radix Representation

Decimal 687680
Binary 10100111111001000000 (20 bits)
Octal 0o2477100
Hexadecimal 0xA7E40

Divisor Catalog (56)

Collatz Trajectory (61 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 #687,679 Browse Full Index Next Integer #687,681 →