2² × 172181

Prime Factor Structure

Factorization String 2^2 × 172181

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,205,274

Proper Divisor Sum 516,550

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #688717 ← → #688729

1 2 4 172,181 344,362 688,724

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

688,724 344,362 172,181 516,544 258,272 129,136 64,568 32,284 16,142 8,071 24,214 12,107 36,322 18,161 54,484 27,242 13,621 40,864 20,432 10,216 5,108 2,554 1,277 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.