λ
Ratio Atlas
278
2 × 139
Deficient Even Composite

Prime Factor Structure

Factorization String 2 × 139
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 420
Proper Divisor Sum 142
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #277 ← → #281

Radix Representation

Decimal 278
Binary 100010110 (9 bits)
Octal 0o426
Hexadecimal 0x116

Divisor Catalog (4)

Collatz Trajectory (42 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 #277 Browse Full Index Next Integer #279 →