3 × 7² × 1471

Prime Factor Structure

Factorization String 3 × 7^2 × 1471

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 335,616

Proper Divisor Sum 119,379

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #216233 ← → #216259

1 3 7 21 49 147 1,471 4,413 10,297 30,891 72,079 216,237

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

216,237 648,712 324,356 162,178 81,089 243,268 121,634 60,817 182,452 91,226 45,613 136,840 68,420 34,210 17,105 51,316 25,658 12,829 38,488 19,244 9,622 4,811 14,434 7,217 21,652 10,826 5,413 16,240 8,120 4,060 2,030 1,015 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40

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