2² × 5 × 7 × 641

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 215,712

Proper Divisor Sum 125,972

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #89689 ← → #89753

1 2 4 5 7 10 14 20 28 35 70 140 641 1,282 2,564 3,205 4,487 6,410 8,974 12,820 17,948 22,435 44,870 89,740

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

89,740 44,870 22,435 67,306 33,653 100,960 50,480 25,240 12,620 6,310 3,155 9,466 4,733 14,200 7,100 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127 382 191 574

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