2² × 171637

Prime Factor Structure

Factorization String 2^2 × 171637

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,201,466

Proper Divisor Sum 514,918

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #686519 ← → #686551

1 2 4 171,637 343,274 686,548

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

686,548 343,274 171,637 514,912 257,456 128,728 64,364 32,182 16,091 48,274 24,137 72,412 36,206 18,103 54,310 27,155 81,466 40,733 122,200 61,100 30,550 15,275 45,826 22,913 68,740 34,370 17,185 51,556 25,778 12,889 38,668 19,334 9,667 29,002 14,501 43,504 21,752 10,876 5,438 2,719 8,158 4,079 12,238 6,119 18,358 9,179 27,538 13,769 41,308 20,654 10,327 30,982 15,491 46,474 23,237 69,712 34,856 17,428 8,714 4,357

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