7 × 13 × 17 × 421

Prime Factor Structure

Factorization String 7 × 13 × 17 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 850,752

Proper Divisor Sum 199,465

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #651281 ← → #651289

1 7 13 17 91 119 221 421 1,547 2,947 5,473 7,157 38,311 50,099 93,041 651,287

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

651,287 1,953,862 976,931 2,930,794 1,465,397 4,396,192 2,198,096 1,099,048 549,524 274,762 137,381 412,144 206,072 103,036 51,518 25,759 77,278 38,639 115,918 57,959 173,878 86,939 260,818 130,409 391,228 195,614 97,807 293,422 146,711 440,134 220,067 660,202 330,101 990,304 495,152 247,576 123,788 61,894 30,947 92,842 46,421 139,264 69,632 34,816 17,408 8,704 4,352 2,176 1,088 544 272 136 68 34 17 52 26 13 40 20

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