2 × 3 × 7 × 509417

Prime Factor Structure

Factorization String 2 × 3 × 7 × 509417

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 48,904,128

Proper Divisor Sum 27,508,614

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #21395513 ← → #21395527

1 2 3 6 7 14 21 42 509,417 1,018,834 1,528,251 3,056,502 3,565,919 7,131,838 10,697,757 21,395,514

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

21,395,514 10,697,757 32,093,272 16,046,636 8,023,318 4,011,659 12,034,978 6,017,489 18,052,468 9,026,234 4,513,117 13,539,352 6,769,676 3,384,838 1,692,419 5,077,258 2,538,629 7,615,888 3,807,944 1,903,972 951,986 475,993 1,427,980 713,990 356,995 1,070,986 535,493 1,606,480 803,240 401,620 200,810 100,405 301,216 150,608 75,304 37,652 18,826 9,413 28,240 14,120 7,060 3,530 1,765 5,296 2,648 1,324 662 331 994 497 1,492 746 373 1,120 560 280 140 70 35 106

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