3 × 43 × 139 × 1193

Prime Factor Structure

Factorization String 3 × 43 × 139 × 1193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 29,420,160

Proper Divisor Sum 8,028,477

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21391651 ← → #21391703

1 3 43 129 139 417 1,193 3,579 5,977 17,931 51,299 153,897 165,827 497,481 7,130,561 21,391,683

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

21,391,683 64,175,050 32,087,525 96,262,576 48,131,288 24,065,644 12,032,822 6,016,411 18,049,234 9,024,617 27,073,852 13,536,926 6,768,463 20,305,390 10,152,695 30,458,086 15,229,043 45,687,130 22,843,565 68,530,696 34,265,348 17,132,674 8,566,337 25,699,012 12,849,506 6,424,753 19,274,260 9,637,130 4,818,565 14,455,696 7,227,848 3,613,924 1,806,962 903,481 2,710,444 1,355,222 677,611 2,032,834 1,016,417 3,049,252 1,524,626 762,313 2,286,940 1,143,470 571,735 1,715,206 857,603 2,572,810 1,286,405 3,859,216 1,929,608 964,804 482,402 241,201 723,604 361,802 180,901 542,704 271,352 135,676

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