2 × 5 × 661 × 3259

Prime Factor Structure

Factorization String 2 × 5 × 661 × 3259

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 38,846,160

Proper Divisor Sum 17,304,170

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21541979 ← → #21542063

1 2 5 10 661 1,322 3,259 3,305 6,518 6,610 16,295 32,590 2,154,199 4,308,398 10,770,995 21,541,990

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

21,541,990 10,770,995 32,312,986 16,156,493 48,469,480 24,234,740 12,117,370 6,058,685 18,176,056 9,088,028 4,544,014 2,272,007 6,816,022 3,408,011 10,224,034 5,112,017 15,336,052 7,668,026 3,834,013 11,502,040 5,751,020 2,875,510 1,437,755 4,313,266 2,156,633 6,469,900 3,234,950 1,617,475 4,852,426 2,426,213 7,278,640 3,639,320 1,819,660 909,830 454,915 1,364,746 682,373 2,047,120 1,023,560 511,780 255,890 127,945 383,836 191,918 95,959 287,878 143,939 431,818 215,909 647,728 323,864 161,932 80,966 40,483 121,450 60,725 182,176 91,088 45,544 22,772

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