2 × 5 × 7 × 21559

Prime Factor Structure

Factorization String 2 × 5 × 7 × 21559

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,104,640

Proper Divisor Sum 1,595,510

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1509127 ← → #1509133

1 2 5 7 10 14 35 70 21,559 43,118 107,795 150,913 215,590 301,826 754,565 1,509,130

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

1,509,130 754,565 2,263,696 1,131,848 565,924 282,962 141,481 424,444 212,222 106,111 318,334 159,167 477,502 238,751 716,254 358,127 1,074,382 537,191 1,611,574 805,787 2,417,362 1,208,681 3,626,044 1,813,022 906,511 2,719,534 1,359,767 4,079,302 2,039,651 6,118,954 3,059,477 9,178,432 4,589,216 2,294,608 1,147,304 573,652 286,826 143,413 430,240 215,120 107,560 53,780 26,890 13,445 40,336 20,168 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256 2,128 1,064 532 266

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