3² × 7 × 20899

Prime Factor Structure

Factorization String 3^2 × 7 × 20899

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,173,600

Proper Divisor Sum 856,963

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1316621 ← → #1316639

1 3 7 9 21 63 20,899 62,697 146,293 188,091 438,879 1,316,637

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

1,316,637 3,949,912 1,974,956 987,478 493,739 1,481,218 740,609 2,221,828 1,110,914 555,457 1,666,372 833,186 416,593 1,249,780 624,890 312,445 937,336 468,668 234,334 117,167 351,502 175,751 527,254 263,627 790,882 395,441 1,186,324 593,162 296,581 889,744 444,872 222,436 111,218 55,609 166,828 83,414 41,707 125,122 62,561 187,684 93,842 46,921 140,764 70,382 35,191 105,574 52,787 158,362 79,181 237,544 118,772 59,386 29,693 89,080 44,540 22,270 11,135 33,406 16,703 50,110

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