3 × 7 × 13 × 1979

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1979

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 887,040

Proper Divisor Sum 346,773

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #540251 ← → #540269

1 3 7 13 21 39 91 273 1,979 5,937 13,853 25,727 41,559 77,181 180,089 540,267

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

540,267 1,620,802 810,401 2,431,204 1,215,602 607,801 1,823,404 911,702 455,851 1,367,554 683,777 2,051,332 1,025,666 512,833 1,538,500 769,250 384,625 1,153,876 576,938 288,469 865,408 432,704 216,352 108,176 54,088 27,044 13,522 6,761 20,284 10,142 5,071 15,214 7,607 22,822 11,411 34,234 17,117 51,352 25,676 12,838 6,419 19,258 9,629 28,888 14,444 7,222 3,611 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573

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