3 × 13 × 31 × 853

Prime Factor Structure

Factorization String 3 × 13 × 31 × 853

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,530,368

Proper Divisor Sum 499,091

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1031267 ← → #1031279

1 3 13 31 39 93 403 853 1,209 2,559 11,089 26,443 33,267 79,329 343,759 1,031,277

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

1,031,277 3,093,832 1,546,916 773,458 386,729 1,160,188 580,094 290,047 870,142 435,071 1,305,214 652,607 1,957,822 978,911 2,936,734 1,468,367 4,405,102 2,202,551 6,607,654 3,303,827 9,911,482 4,955,741 14,867,224 7,433,612 3,716,806 1,858,403 5,575,210 2,787,605 8,362,816 4,181,408 2,090,704 1,045,352 522,676 261,338 130,669 392,008 196,004 98,002 49,001 147,004 73,502 36,751 110,254 55,127 165,382 82,691 248,074 124,037 372,112 186,056 93,028 46,514 23,257 69,772 34,886 17,443 52,330 26,165 78,496 39,248

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