21106957

Prime Factor Structure

Factorization String 21106957

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,106,958

Proper Divisor Sum 1

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21106933 ← → #21106961

1 21,106,957

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

21,106,957 63,320,872 31,660,436 15,830,218 7,915,109 23,745,328 11,872,664 5,936,332 2,968,166 1,484,083 4,452,250 2,226,125 6,678,376 3,339,188 1,669,594 834,797 2,504,392 1,252,196 626,098 313,049 939,148 469,574 234,787 704,362 352,181 1,056,544 528,272 264,136 132,068 66,034 33,017 99,052 49,526 24,763 74,290 37,145 111,436 55,718 27,859 83,578 41,789 125,368 62,684 31,342 15,671 47,014 23,507 70,522 35,261 105,784 52,892 26,446 13,223 39,670 19,835 59,506 29,753 89,260 44,630 22,315

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