2² × 37 × 4639

Prime Factor Structure

Factorization String 2^2 × 37 × 4639

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,234,240

Proper Divisor Sum 547,668

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #686563 ← → #686593

1 2 4 37 74 148 4,639 9,278 18,556 171,643 343,286 686,572

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

686,572 343,286 171,643 514,930 257,465 772,396 386,198 193,099 579,298 289,649 868,948 434,474 217,237 651,712 325,856 162,928 81,464 40,732 20,366 10,183 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.