3³ × 5 × 17 × 31

Prime Factor Structure

Factorization String 3^3 × 5 × 17 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 138,240

Proper Divisor Sum 67,095

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #71143 ← → #71147

1 3 5 9 15 17 27 31 45 51 85 93 135 153 155 255 279 459 465 527 765 837 1,395 1,581 2,295 2,635 4,185 4,743 7,905 14,229 23,715 71,145

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

71,145 213,436 106,718 53,359 160,078 80,039 240,118 120,059 360,178 180,089 540,268 270,134 135,067 405,202 202,601 607,804 303,902 151,951 455,854 227,927 683,782 341,891 1,025,674 512,837 1,538,512 769,256 384,628 192,314 96,157 288,472 144,236 72,118 36,059 108,178 54,089 162,268 81,134 40,567 121,702 60,851 182,554 91,277 273,832 136,916 68,458 34,229 102,688 51,344 25,672 12,836 6,418 3,209 9,628 4,814 2,407 7,222 3,611 10,834 5,417 16,252

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