3 × 7 × 19 × 5059

Prime Factor Structure

Factorization String 3 × 7 × 19 × 5059

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,238,400

Proper Divisor Sum 1,219,859

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2018531 ← → #2018543

1 3 7 19 21 57 133 399 5,059 15,177 35,413 96,121 106,239 288,363 672,847 2,018,541

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

2,018,541 6,055,624 3,027,812 1,513,906 756,953 2,270,860 1,135,430 567,715 1,703,146 851,573 2,554,720 1,277,360 638,680 319,340 159,670 79,835 239,506 119,753 359,260 179,630 89,815 269,446 134,723 404,170 202,085 606,256 303,128 151,564 75,782 37,891 113,674 56,837 170,512 85,256 42,628 21,314 10,657 31,972 15,986 7,993 23,980 11,990 5,995 17,986 8,993 26,980 13,490 6,745 20,236 10,118 5,059 15,178 7,589 22,768 11,384 5,692 2,846 1,423 4,270 2,135

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