2 × 3 × 317 × 337

Prime Factor Structure

Factorization String 2 × 3 × 317 × 337

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,289,808

Proper Divisor Sum 648,834

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #640973 ← → #640993

1 2 3 6 317 337 634 674 951 1,011 1,902 2,022 106,829 213,658 320,487 640,974

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

640,974 320,487 961,462 480,731 1,442,194 721,097 2,163,292 1,081,646 540,823 1,622,470 811,235 2,433,706 1,216,853 3,650,560 1,825,280 912,640 456,320 228,160 114,080 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.