1289 × 1381

Prime Factor Structure

Factorization String 1289 × 1381

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,782,780

Proper Divisor Sum 2,671

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1780099 ← → #1780127

1 1,289 1,381 1,780,109

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

1,780,109 5,340,328 2,670,164 1,335,082 667,541 2,002,624 1,001,312 500,656 250,328 125,164 62,582 31,291 93,874 46,937 140,812 70,406 35,203 105,610 52,805 158,416 79,208 39,604 19,802 9,901 29,704 14,852 7,426 3,713 11,140 5,570 2,785 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314

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