3 × 7 × 89 × 139

Prime Factor Structure

Factorization String 3 × 7 × 89 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 403,200

Proper Divisor Sum 143,409

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #259783 ← → #259801

1 3 7 21 89 139 267 417 623 973 1,869 2,919 12,371 37,113 86,597 259,791

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

259,791 779,374 389,687 1,169,062 584,531 1,753,594 876,797 2,630,392 1,315,196 657,598 328,799 986,398 493,199 1,479,598 739,799 2,219,398 1,109,699 3,329,098 1,664,549 4,993,648 2,496,824 1,248,412 624,206 312,103 936,310 468,155 1,404,466 702,233 2,106,700 1,053,350 526,675 1,580,026 790,013 2,370,040 1,185,020 592,510 296,255 888,766 444,383 1,333,150 666,575 1,999,726 999,863 2,999,590 1,499,795 4,499,386 2,249,693 6,749,080 3,374,540 1,687,270 843,635 2,530,906 1,265,453 3,796,360 1,898,180 949,090 474,545 1,423,636 711,818 355,909

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