7² × 31 × 139

Prime Factor Structure

Factorization String 7^2 × 31 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 255,360

Proper Divisor Sum 44,219

Digit Sum / Digital Root 10 (Root: 1)

Adjacent Primes #211129 ← → #211151

1 7 31 49 139 217 973 1,519 4,309 6,811 30,163 211,141

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

211,141 633,424 316,712 158,356 79,178 39,589 118,768 59,384 29,692 14,846 7,423 22,270 11,135 33,406 16,703 50,110 25,055 75,166 37,583 112,750 56,375 169,126 84,563 253,690 126,845 380,536 190,268 95,134 47,567 142,702 71,351 214,054 107,027 321,082 160,541 481,624 240,812 120,406 60,203 180,610 90,305 270,916 135,458 67,729 203,188 101,594 50,797 152,392 76,196 38,098 19,049 57,148 28,574 14,287 42,862 21,431 64,294 32,147 96,442 48,221

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