2² × 5 × 15649

Prime Factor Structure

Factorization String 2^2 × 5 × 15649

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 657,300

Proper Divisor Sum 344,320

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #312979 ← → #312989

1 2 4 5 10 20 15,649 31,298 62,596 78,245 156,490 312,980

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

312,980 156,490 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 18,826 9,413 28,240 14,120 7,060 3,530 1,765 5,296 2,648 1,324 662 331

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