2 × 3 × 5 × 21589

Prime Factor Structure

Factorization String 2 × 3 × 5 × 21589

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,554,480

Proper Divisor Sum 906,810

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #647663 ← → #647687

1 2 3 5 6 10 15 30 21,589 43,178 64,767 107,945 129,534 215,890 323,835 647,670

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

647,670 323,835 971,506 485,753 1,457,260 728,630 364,315 1,092,946 546,473 1,639,420 819,710 409,855 1,229,566 614,783 1,844,350 922,175 2,766,526 1,383,263 4,149,790 2,074,895 6,224,686 3,112,343 9,337,030 4,668,515 14,005,546 7,002,773 21,008,320 10,504,160 5,252,080 2,626,040 1,313,020 656,510 328,255 984,766 492,383 1,477,150 738,575 2,215,726 1,107,863 3,323,590 1,661,795 4,985,386 2,492,693 7,478,080 3,739,040 1,869,520 934,760 467,380 233,690 116,845 350,536 175,268 87,634 43,817 131,452 65,726 32,863 98,590 49,295 147,886

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