7 × 19 × 37 × 257

Prime Factor Structure

Factorization String 7 × 19 × 37 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,568,640

Proper Divisor Sum 303,943

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1264687 ← → #1264699

1 7 19 37 133 257 259 703 1,799 4,883 4,921 9,509 34,181 66,563 180,671 1,264,697

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

1,264,697 3,794,092 1,897,046 948,523 2,845,570 1,422,785 4,268,356 2,134,178 1,067,089 3,201,268 1,600,634 800,317 2,400,952 1,200,476 600,238 300,119 900,358 450,179 1,350,538 675,269 2,025,808 1,012,904 506,452 253,226 126,613 379,840 189,920 94,960 47,480 23,740 11,870 5,935 17,806 8,903 26,710 13,355 40,066 20,033 60,100 30,050 15,025 45,076 22,538 11,269 33,808 16,904 8,452 4,226 2,113 6,340 3,170 1,585 4,756 2,378 1,189 3,568 1,784 892 446 223

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