2 × 7 × 317 × 409

Prime Factor Structure

Factorization String 2 × 7 × 317 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,129,120

Proper Divisor Sum 1,313,978

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1815131 ← → #1815179

1 2 7 14 317 409 634 818 2,219 2,863 4,438 5,726 129,653 259,306 907,571 1,815,142

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

1,815,142 907,571 2,722,714 1,361,357 4,084,072 2,042,036 1,021,018 510,509 1,531,528 765,764 382,882 191,441 574,324 287,162 143,581 430,744 215,372 107,686 53,843 161,530 80,765 242,296 121,148 60,574 30,287 90,862 45,431 136,294 68,147 204,442 102,221 306,664 153,332 76,666 38,333 115,000 57,500 28,750 14,375 43,126 21,563 64,690 32,345 97,036 48,518 24,259 72,778 36,389 109,168 54,584 27,292 13,646 6,823 20,470 10,235 30,706 15,353 46,060 23,030 11,515

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