13 × 1538743

Prime Factor Structure

Factorization String 13 × 1538743

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,542,416

Proper Divisor Sum 1,538,757

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #20003609 ← → #20003663

1 13 1,538,743 20,003,659

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

20,003,659 60,010,978 30,005,489 90,016,468 45,008,234 22,504,117 67,512,352 33,756,176 16,878,088 8,439,044 4,219,522 2,109,761 6,329,284 3,164,642 1,582,321 4,746,964 2,373,482 1,186,741 3,560,224 1,780,112 890,056 445,028 222,514 111,257 333,772 166,886 83,443 250,330 125,165 375,496 187,748 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

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