3² × 7 × 71²

Prime Factor Structure

Factorization String 3^2 × 7 × 71^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 531,752

Proper Divisor Sum 214,169

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #317563 ← → #317587

1 3 7 9 21 63 71 213 497 639 1,491 4,473 5,041 15,123 35,287 45,369 105,861 317,583

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

317,583 952,750 476,375 1,429,126 714,563 2,143,690 1,071,845 3,215,536 1,607,768 803,884 401,942 200,971 602,914 301,457 904,372 452,186 226,093 678,280 339,140 169,570 84,785 254,356 127,178 63,589 190,768 95,384 47,692 23,846 11,923 35,770 17,885 53,656 26,828 13,414 6,707 20,122 10,061 30,184 15,092 7,546 3,773 11,320 5,660 2,830 1,415 4,246 2,123 6,370 3,185 9,556 4,778 2,389 7,168 3,584 1,792 896 448 224 112 56

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