3 × 13 × 517243

Prime Factor Structure

Factorization String 3 × 13 × 517243

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 28,965,664

Proper Divisor Sum 8,793,187

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #20172469 ← → #20172491

1 3 13 39 517,243 1,551,729 6,724,159 20,172,477

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

20,172,477 60,517,432 30,258,716 15,129,358 7,564,679 22,694,038 11,347,019 34,041,058 17,020,529 51,061,588 25,530,794 12,765,397 38,296,192 19,148,096 9,574,048 4,787,024 2,393,512 1,196,756 598,378 299,189 897,568 448,784 224,392 112,196 56,098 28,049 84,148 42,074 21,037 63,112 31,556 15,778 7,889 23,668 11,834 5,917 17,752 8,876 4,438 2,219 6,658 3,329 9,988 4,994 2,497 7,492 3,746 1,873 5,620 2,810 1,405 4,216 2,108 1,054 527 1,582 791 2,374 1,187 3,562

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