3 × 7 × 43 × 15991

Prime Factor Structure

Factorization String 3 × 7 × 43 × 15991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 22,516,736

Proper Divisor Sum 8,076,863

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #14439871 ← → #14439881

1 3 7 21 43 129 301 903 15,991 47,973 111,937 335,811 687,613 2,062,839 4,813,291 14,439,873

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

14,439,873 43,319,620 21,659,810 10,829,905 32,489,716 16,244,858 8,122,429 24,367,288 12,183,644 6,091,822 3,045,911 9,137,734 4,568,867 13,706,602 6,853,301 20,559,904 10,279,952 5,139,976 2,569,988 1,284,994 642,497 1,927,492 963,746 481,873 1,445,620 722,810 361,405 1,084,216 542,108 271,054 135,527 406,582 203,291 609,874 304,937 914,812 457,406 228,703 686,110 343,055 1,029,166 514,583 1,543,750 771,875 2,315,626 1,157,813 3,473,440 1,736,720 868,360 434,180 217,090 108,545 325,636 162,818 81,409 244,228 122,114 61,057 183,172 91,586

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