3 × 7 × 73 × 131

Prime Factor Structure

Factorization String 3 × 7 × 73 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 312,576

Proper Divisor Sum 111,753

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #200807 ← → #200843

1 3 7 21 73 131 219 393 511 917 1,533 2,751 9,563 28,689 66,941 200,823

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

200,823 602,470 301,235 903,706 451,853 1,355,560 677,780 338,890 169,445 508,336 254,168 127,084 63,542 31,771 95,314 47,657 142,972 71,486 35,743 107,230 53,615 160,846 80,423 241,270 120,635 361,906 180,953 542,860 271,430 135,715 407,146 203,573 610,720 305,360 152,680 76,340 38,170 19,085 57,256 28,628 14,314 7,157 21,472 10,736 5,368 2,684 1,342 671 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654

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