3 × 7 × 23 × 491

Prime Factor Structure

Factorization String 3 × 7 × 23 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 377,856

Proper Divisor Sum 140,703

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #237151 ← → #237157

1 3 7 21 23 69 161 483 491 1,473 3,437 10,311 11,293 33,879 79,051 237,153

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

237,153 711,460 355,730 177,865 533,596 266,798 133,399 400,198 200,099 600,298 300,149 900,448 450,224 225,112 112,556 56,278 28,139 84,418 42,209 126,628 63,314 31,657 94,972 47,486 23,743 71,230 35,615 106,846 53,423 160,270 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

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