3 × 7 × 67 × 457

Prime Factor Structure

Factorization String 3 × 7 × 67 × 457

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 996,608

Proper Divisor Sum 353,609

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #642997 ← → #643009

1 3 7 21 67 201 457 469 1,371 1,407 3,199 9,597 30,619 91,857 214,333 642,999

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

642,999 1,928,998 964,499 2,893,498 1,446,749 4,340,248 2,170,124 1,085,062 542,531 1,627,594 813,797 2,441,392 1,220,696 610,348 305,174 152,587 457,762 228,881 686,644 343,322 171,661 514,984 257,492 128,746 64,373 193,120 96,560 48,280 24,140 12,070 6,035 18,106 9,053 27,160 13,580 6,790 3,395 10,186 5,093 15,280 7,640 3,820 1,910 955 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682

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