2 × 3 × 5 × 13 × 83 × 661

Prime Factor Structure

Factorization String 2 × 3 × 5 × 13 × 83 × 661

Distinct Prime Factors 6

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 56,052,864

Proper Divisor Sum 34,656,294

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21396569 ← → #21396587

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

21,396,570 10,698,285 32,094,856 16,047,428 8,023,714 4,011,857 12,035,572 6,017,786 3,008,893 9,026,680 4,513,340 2,256,670 1,128,335 3,385,006 1,692,503 5,077,510 2,538,755 7,616,266 3,808,133 11,424,400 5,712,200 2,856,100 1,428,050 714,025 2,142,076 1,071,038 535,519 1,606,558 803,279 2,409,838 1,204,919 3,614,758 1,807,379 5,422,138 2,711,069 8,133,208 4,066,604 2,033,302 1,016,651 3,049,954 1,524,977 4,574,932 2,287,466 1,143,733 3,431,200 1,715,600 857,800 428,900 214,450 107,225 321,676 160,838 80,419 241,258 120,629 361,888 180,944 90,472 45,236 22,618

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