3 × 7 × 443 × 521

Prime Factor Structure

Factorization String 3 × 7 × 443 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 7,416,576

Proper Divisor Sum 2,569,713

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #4846837 ← → #4846873

1 3 7 21 443 521 1,329 1,563 3,101 3,647 9,303 10,941 230,803 692,409 1,615,621 4,846,863

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

4,846,863 14,540,590 7,270,295 21,810,886 10,905,443 32,716,330 16,358,165 49,074,496 24,537,248 12,268,624 6,134,312 3,067,156 1,533,578 766,789 2,300,368 1,150,184 575,092 287,546 143,773 431,320 215,660 107,830 53,915 161,746 80,873 242,620 121,310 60,655 181,966 90,983 272,950 136,475 409,426 204,713 614,140 307,070 153,535 460,606 230,303 690,910 345,455 1,036,366 518,183 1,554,550 777,275 2,331,826 1,165,913 3,497,740 1,748,870 874,435 2,623,306 1,311,653 3,934,960 1,967,480 983,740 491,870 245,935 737,806 368,903 1,106,710

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