2² × 5 × 19² × 137

Prime Factor Structure

Factorization String 2^2 × 5 × 19^2 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 2,208,276

Proper Divisor Sum 1,219,136

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #989123 ← → #989171

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

989,140 494,570 247,285 741,856 370,928 185,464 92,732 46,366 23,183 69,550 34,775 104,326 52,163 156,490 78,245 234,736 117,368 58,684 29,342 14,671 44,014 22,007 66,022 33,011 99,034 49,517 148,552 74,276 37,138 18,569 55,708 27,854 13,927 41,782 20,891 62,674 31,337 94,012 47,006 23,503 70,510 35,255 105,766 52,883 158,650 79,325 237,976 118,988 59,494 29,747 89,242 44,621 133,864 66,932 33,466 16,733 50,200 25,100 12,550 6,275

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