19 × 23 × 139 × 191

Prime Factor Structure

Factorization String 19 × 23 × 139 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,902,400

Proper Divisor Sum 1,300,487

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #11601911 ← → #11601923

1 19 23 139 191 437 2,641 3,197 3,629 4,393 26,549 60,743 83,467 504,431 610,627 11,601,913

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

11,601,913 34,805,740 17,402,870 8,701,435 26,104,306 13,052,153 39,156,460 19,578,230 9,789,115 29,367,346 14,683,673 44,051,020 22,025,510 11,012,755 33,038,266 16,519,133 49,557,400 24,778,700 12,389,350 6,194,675 18,584,026 9,292,013 27,876,040 13,938,020 6,969,010 3,484,505 10,453,516 5,226,758 2,613,379 7,840,138 3,920,069 11,760,208 5,880,104 2,940,052 1,470,026 735,013 2,205,040 1,102,520 551,260 275,630 137,815 413,446 206,723 620,170 310,085 930,256 465,128 232,564 116,282 58,141 174,424 87,212 43,606 21,803 65,410 32,705 98,116 49,058 24,529 73,588

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