13 × 17 × 89 × 179

Prime Factor Structure

Factorization String 13 × 17 × 89 × 179

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,082,400

Proper Divisor Sum 561,649

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #3520739 ← → #3520787

1 13 17 89 179 221 1,157 1,513 2,327 3,043 15,931 19,669 39,559 207,103 270,827 3,520,751

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

3,520,751 10,562,254 5,281,127 15,843,382 7,921,691 23,765,074 11,882,537 35,647,612 17,823,806 8,911,903 26,735,710 13,367,855 40,103,566 20,051,783 60,155,350 30,077,675 90,233,026 45,116,513 135,349,540 67,674,770 33,837,385 101,512,156 50,756,078 25,378,039 76,134,118 38,067,059 114,201,178 57,100,589 171,301,768 85,650,884 42,825,442 21,412,721 64,238,164 32,119,082 16,059,541 48,178,624 24,089,312 12,044,656 6,022,328 3,011,164 1,505,582 752,791 2,258,374 1,129,187 3,387,562 1,693,781 5,081,344 2,540,672 1,270,336 635,168 317,584 158,792 79,396 39,698 19,849 59,548 29,774 14,887 44,662 22,331

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