2 × 13 × 109 × 139

Prime Factor Structure

Factorization String 2 × 13 × 109 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 646,800

Proper Divisor Sum 252,874

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #393919 ← → #393929

1 2 13 26 109 139 218 278 1,417 1,807 2,834 3,614 15,151 30,302 196,963 393,926

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

393,926 196,963 590,890 295,445 886,336 443,168 221,584 110,792 55,396 27,698 13,849 41,548 20,774 10,387 31,162 15,581 46,744 23,372 11,686 5,843 17,530 8,765 26,296 13,148 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418

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