λ
Integer Codex
280
23 × 5 × 7
Abundant Even Composite

Prime Factor Structure

Factorization String 2^3 × 5 × 7
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 720
Proper Divisor Sum 440
Digit Sum / Digital Root 10 (Root: 1)
Adjacent Primes #277 ← → #281

Radix Representation

Decimal 280
Binary 100011000 (9 bits)
Octal 0o430
Hexadecimal 0x118

Divisor Catalog (16)

Collatz Trajectory (16 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 #279 Browse Full Index Next Integer #281 →