2 × 3 × 7 × 509477

Prime Factor Structure

Factorization String 2 × 3 × 7 × 509477

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 48,909,888

Proper Divisor Sum 27,511,854

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #21398033 ← → #21398063

1 2 3 6 7 14 21 42 509,477 1,018,954 1,528,431 3,056,862 3,566,339 7,132,678 10,699,017 21,398,034

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

21,398,034 10,699,017 32,097,052 16,048,526 8,024,263 24,072,790 12,036,395 36,109,186 18,054,593 54,163,780 27,081,890 13,540,945 40,622,836 20,311,418 10,155,709 30,467,128 15,233,564 7,616,782 3,808,391 11,425,174 5,712,587 17,137,762 8,568,881 25,706,644 12,853,322 6,426,661 19,279,984 9,639,992 4,819,996 2,409,998 1,204,999 3,614,998 1,807,499 5,422,498 2,711,249 8,133,748 4,066,874 2,033,437 6,100,312 3,050,156 1,525,078 762,539 2,287,618 1,143,809 3,431,428 1,715,714 857,857 2,573,572 1,286,786 643,393 1,930,180 965,090 482,545 1,447,636 723,818 361,909 1,085,728 542,864 271,432 135,716

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