3² × 7 × 13 × 263

Prime Factor Structure

Factorization String 3^2 × 7 × 13 × 263

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 384,384

Proper Divisor Sum 168,987

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #215393 ← → #215399

1 3 7 9 13 21 39 63 91 117 263 273 789 819 1,841 2,367 3,419 5,523 10,257 16,569 23,933 30,771 71,799 215,397

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

215,397 646,192 323,096 161,548 80,774 40,387 121,162 60,581 181,744 90,872 45,436 22,718 11,359 34,078 17,039 51,118 25,559 76,678 38,339 115,018 57,509 172,528 86,264 43,132 21,566 10,783 32,350 16,175 48,526 24,263 72,790 36,395 109,186 54,593 163,780 81,890 40,945 122,836 61,418 30,709 92,128 46,064 23,032 11,516 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201

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