3 × 5 × 13 × 1217

Prime Factor Structure

Factorization String 3 × 5 × 13 × 1217

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 409,248

Proper Divisor Sum 171,933

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #237313 ← → #237319

1 3 5 13 15 39 65 195 1,217 3,651 6,085 15,821 18,255 47,463 79,105 237,315

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

237,315 711,946 355,973 1,067,920 533,960 266,980 133,490 66,745 200,236 100,118 50,059 150,178 75,089 225,268 112,634 56,317 168,952 84,476 42,238 21,119 63,358 31,679 95,038 47,519 142,558 71,279 213,838 106,919 320,758 160,379 481,138 240,569 721,708 360,854 180,427 541,282 270,641 811,924 405,962 202,981 608,944 304,472 152,236 76,118 38,059 114,178 57,089 171,268 85,634 42,817 128,452 64,226 32,113 96,340 48,170 24,085 72,256 36,128 18,064 9,032

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