3 × 13 × 43 × 157

Prime Factor Structure

Factorization String 3 × 13 × 43 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 389,312

Proper Divisor Sum 126,023

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #263287 ← → #263293

1 3 13 39 43 129 157 471 559 1,677 2,041 6,123 6,751 20,253 87,763 263,289

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

263,289 789,868 394,934 197,467 592,402 296,201 888,604 444,302 222,151 666,454 333,227 999,682 499,841 1,499,524 749,762 374,881 1,124,644 562,322 281,161 843,484 421,742 210,871 632,614 316,307 948,922 474,461 1,423,384 711,692 355,846 177,923 533,770 266,885 800,656 400,328 200,164 100,082 50,041 150,124 75,062 37,531 112,594 56,297 168,892 84,446 42,223 126,670 63,335 190,006 95,003 285,010 142,505 427,516 213,758 106,879 320,638 160,319 480,958 240,479 721,438 360,719

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