2³ × 13 × 6163

Prime Factor Structure

Factorization String 2^3 × 13 × 6163

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,294,440

Proper Divisor Sum 653,488

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #640949 ← → #640957

1 2 4 8 13 26 52 104 6,163 12,326 24,652 49,304 80,119 160,238 320,476 640,952

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

640,952 320,476 160,238 80,119 240,358 120,179 360,538 180,269 540,808 270,404 135,202 67,601 202,804 101,402 50,701 152,104 76,052 38,026 19,013 57,040 28,520 14,260 7,130 3,565 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682

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