3 × 7 × 11 × 1217

Prime Factor Structure

Factorization String 3 × 7 × 11 × 1217

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 467,712

Proper Divisor Sum 186,585

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #281117 ← → #281131

1 3 7 11 21 33 77 231 1,217 3,651 8,519 13,387 25,557 40,161 93,709 281,127

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

281,127 843,382 421,691 1,265,074 632,537 1,897,612 948,806 474,403 1,423,210 711,605 2,134,816 1,067,408 533,704 266,852 133,426 66,713 200,140 100,070 50,035 150,106 75,053 225,160 112,580 56,290 28,145 84,436 42,218 21,109 63,328 31,664 15,832 7,916 3,958 1,979 5,938 2,969 8,908 4,454 2,227 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353 1,060 530 265 796 398 199 598 299

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