2³ × 5 × 32191

Prime Factor Structure

Factorization String 2^3 × 5 × 32191

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,897,280

Proper Divisor Sum 1,609,640

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1287623 ← → #1287661

1 2 4 5 8 10 20 40 32,191 64,382 128,764 160,955 257,528 321,910 643,820 1,287,640

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

1,287,640 643,820 321,910 160,955 482,866 241,433 724,300 362,150 181,075 543,226 271,613 814,840 407,420 203,710 101,855 305,566 152,783 458,350 229,175 687,526 343,763 1,031,290 515,645 1,546,936 773,468 386,734 193,367 580,102 290,051 870,154 435,077 1,305,232 652,616 326,308 163,154 81,577 244,732 122,366 61,183 183,550 91,775 275,326 137,663 412,990 206,495 619,486 309,743 929,230 464,615 1,393,846 696,923 2,090,770 1,045,385 3,136,156 1,568,078 784,039 2,352,118 1,176,059 3,528,178 1,764,089

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