5 × 17 × 31²

Prime Factor Structure

Factorization String 5 × 17 × 31^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 107,244

Proper Divisor Sum 25,559

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #81677 ← → #81689

1 5 17 31 85 155 527 961 2,635 4,805 16,337 81,685

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

81,685 245,056 122,528 61,264 30,632 15,316 7,658 3,829 11,488 5,744 2,872 1,436 718 359 1,078 539 1,618 809 2,428 1,214 607 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 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16

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