3 × 19 × 23 × 163

Prime Factor Structure

Factorization String 3 × 19 × 23 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 314,880

Proper Divisor Sum 101,187

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #213659 ← → #213713

1 3 19 23 57 69 163 437 489 1,311 3,097 3,749 9,291 11,247 71,231 213,693

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

213,693 641,080 320,540 160,270 80,135 240,406 120,203 360,610 180,305 540,916 270,458 135,229 405,688 202,844 101,422 50,711 152,134 76,067 228,202 114,101 342,304 171,152 85,576 42,788 21,394 10,697 32,092 16,046 8,023 24,070 12,035 36,106 18,053 54,160 27,080 13,540 6,770 3,385 10,156 5,078 2,539 7,618 3,809 11,428 5,714 2,857 8,572 4,286 2,143 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140

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