21290597

Prime Factor Structure

Factorization String 21290597

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,290,598

Proper Divisor Sum 1

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #21290593 ← → #21290609

1 21,290,597

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

21,290,597 63,871,792 31,935,896 15,967,948 7,983,974 3,991,987 11,975,962 5,987,981 17,963,944 8,981,972 4,490,986 2,245,493 6,736,480 3,368,240 1,684,120 842,060 421,030 210,515 631,546 315,773 947,320 473,660 236,830 118,415 355,246 177,623 532,870 266,435 799,306 399,653 1,198,960 599,480 299,740 149,870 74,935 224,806 112,403 337,210 168,605 505,816 252,908 126,454 63,227 189,682 94,841 284,524 142,262 71,131 213,394 106,697 320,092 160,046 80,023 240,070 120,035 360,106 180,053 540,160 270,080 135,040

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