2 × 7 × 17 × 2689

Prime Factor Structure

Factorization String 2 × 7 × 17 × 2689

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,162,080

Proper Divisor Sum 522,098

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #639959 ← → #639983

1 2 7 14 17 34 119 238 2,689 5,378 18,823 37,646 45,713 91,426 319,991 639,982

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

639,982 319,991 959,974 479,987 1,439,962 719,981 2,159,944 1,079,972 539,986 269,993 809,980 404,990 202,495 607,486 303,743 911,230 455,615 1,366,846 683,423 2,050,270 1,025,135 3,075,406 1,537,703 4,613,110 2,306,555 6,919,666 3,459,833 10,379,500 5,189,750 2,594,875 7,784,626 3,892,313 11,676,940 5,838,470 2,919,235 8,757,706 4,378,853 13,136,560 6,568,280 3,284,140 1,642,070 821,035 2,463,106 1,231,553 3,694,660 1,847,330 923,665 2,770,996 1,385,498 692,749 2,078,248 1,039,124 519,562 259,781 779,344 389,672 194,836 97,418 48,709 146,128

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