3 × 11 × 137 × 139

Prime Factor Structure

Factorization String 3 × 11 × 137 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 927,360

Proper Divisor Sum 298,941

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #628399 ← → #628423

1 3 11 33 137 139 411 417 1,507 1,529 4,521 4,587 19,043 57,129 209,473 628,419

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

628,419 1,885,258 942,629 2,827,888 1,413,944 706,972 353,486 176,743 530,230 265,115 795,346 397,673 1,193,020 596,510 298,255 894,766 447,383 1,342,150 671,075 2,013,226 1,006,613 3,019,840 1,509,920 754,960 377,480 188,740 94,370 47,185 141,556 70,778 35,389 106,168 53,084 26,542 13,271 39,814 19,907 59,722 29,861 89,584 44,792 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947 47,842 23,921

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