3 × 7 × 67 × 491

Prime Factor Structure

Factorization String 3 × 7 × 67 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,070,592

Proper Divisor Sum 379,755

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #690817 ← → #690839

1 3 7 21 67 201 469 491 1,407 1,473 3,437 10,311 32,897 98,691 230,279 690,837

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

690,837 2,072,512 1,036,256 518,128 259,064 129,532 64,766 32,383 97,150 48,575 145,726 72,863 218,590 109,295 327,886 163,943 491,830 245,915 737,746 368,873 1,106,620 553,310 276,655 829,966 414,983 1,244,950 622,475 1,867,426 933,713 2,801,140 1,400,570 700,285 2,100,856 1,050,428 525,214 262,607 787,822 393,911 1,181,734 590,867 1,772,602 886,301 2,658,904 1,329,452 664,726 332,363 997,090 498,545 1,495,636 747,818 373,909 1,121,728 560,864 280,432 140,216 70,108 35,054 17,527 52,582 26,291

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