11 × 19 × 31 × 199

Prime Factor Structure

Factorization String 11 × 19 × 31 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,536,000

Proper Divisor Sum 246,679

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1289303 ← → #1289329

1 11 19 31 199 209 341 589 2,189 3,781 6,169 6,479 41,591 67,859 117,211 1,289,321

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

1,289,321 3,867,964 1,933,982 966,991 2,900,974 1,450,487 4,351,462 2,175,731 6,527,194 3,263,597 9,790,792 4,895,396 2,447,698 1,223,849 3,671,548 1,835,774 917,887 2,753,662 1,376,831 4,130,494 2,065,247 6,195,742 3,097,871 9,293,614 4,646,807 13,940,422 6,970,211 20,910,634 10,455,317 31,365,952 15,682,976 7,841,488 3,920,744 1,960,372 980,186 490,093 1,470,280 735,140 367,570 183,785 551,356 275,678 137,839 413,518 206,759 620,278 310,139 930,418 465,209 1,395,628 697,814 348,907 1,046,722 523,361 1,570,084 785,042 392,521 1,177,564 588,782 294,391

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