3 × 7 × 47 × 397

Prime Factor Structure

Factorization String 3 × 7 × 47 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 611,328

Proper Divisor Sum 219,489

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #391823 ← → #391847

1 3 7 21 47 141 329 397 987 1,191 2,779 8,337 18,659 55,977 130,613 391,839

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

391,839 1,175,518 587,759 1,763,278 881,639 2,644,918 1,322,459 3,967,378 1,983,689 5,951,068 2,975,534 1,487,767 4,463,302 2,231,651 6,694,954 3,347,477 10,042,432 5,021,216 2,510,608 1,255,304 627,652 313,826 156,913 470,740 235,370 117,685 353,056 176,528 88,264 44,132 22,066 11,033 33,100 16,550 8,275 24,826 12,413 37,240 18,620 9,310 4,655 13,966 6,983 20,950 10,475 31,426 15,713 47,140 23,570 11,785 35,356 17,678 8,839 26,518 13,259 39,778 19,889 59,668 29,834 14,917

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