3² × 43 × 571

Prime Factor Structure

Factorization String 3^2 × 43 × 571

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 327,184

Proper Divisor Sum 106,207

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #220973 ← → #221021

1 3 9 43 129 387 571 1,713 5,139 24,553 73,659 220,977

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

220,977 662,932 331,466 165,733 497,200 248,600 124,300 62,150 31,075 93,226 46,613 139,840 69,920 34,960 17,480 8,740 4,370 2,185 6,556 3,278 1,639 4,918 2,459 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423

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