521 × 1721

Prime Factor Structure

Factorization String 521 × 1721

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 898,884

Proper Divisor Sum 2,243

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #896633 ← → #896647

1 521 1,721 896,641

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

896,641 2,689,924 1,344,962 672,481 2,017,444 1,008,722 504,361 1,513,084 756,542 378,271 1,134,814 567,407 1,702,222 851,111 2,553,334 1,276,667 3,830,002 1,915,001 5,745,004 2,872,502 1,436,251 4,308,754 2,154,377 6,463,132 3,231,566 1,615,783 4,847,350 2,423,675 7,271,026 3,635,513 10,906,540 5,453,270 2,726,635 8,179,906 4,089,953 12,269,860 6,134,930 3,067,465 9,202,396 4,601,198 2,300,599 6,901,798 3,450,899 10,352,698 5,176,349 15,529,048 7,764,524 3,882,262 1,941,131 5,823,394 2,911,697 8,735,092 4,367,546 2,183,773 6,551,320 3,275,660 1,637,830 818,915 2,456,746 1,228,373

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