2 × 320477

Prime Factor Structure

Factorization String 2 × 320477

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 961,434

Proper Divisor Sum 320,480

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #640949 ← → #640957

1 2 320,477 640,954

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

640,954 320,477 961,432 480,716 240,358 120,179 360,538 180,269 540,808 270,404 135,202 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.