2 × 3 × 5 × 13 × 53

Prime Factor Structure

Factorization String 2 × 3 × 5 × 13 × 53

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 54,432

Proper Divisor Sum 33,762

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #20663 ← → #20681

1 2 3 5 6 10 13 15 26 30 39 53 65 78 106 130 159 195 265 318 390 530 689 795 1,378 1,590 2,067 3,445 4,134 6,890 10,335 20,670

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

20,670 10,335 31,006 15,503 46,510 23,255 69,766 34,883 104,650 52,325 156,976 78,488 39,244 19,622 9,811 29,434 14,717 44,152 22,076 11,038 5,519 16,558 8,279 24,838 12,419 37,258 18,629 55,888 27,944 13,972 6,986 3,493 10,480 5,240 2,620 1,310 655 1,966 983 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738

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