21189131

Prime Factor Structure

Factorization String 21189131

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,189,132

Proper Divisor Sum 1

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21189109 ← → #21189163

1 21,189,131

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

21,189,131 63,567,394 31,783,697 95,351,092 47,675,546 23,837,773 71,513,320 35,756,660 17,878,330 8,939,165 26,817,496 13,408,748 6,704,374 3,352,187 10,056,562 5,028,281 15,084,844 7,542,422 3,771,211 11,313,634 5,656,817 16,970,452 8,485,226 4,242,613 12,727,840 6,363,920 3,181,960 1,590,980 795,490 397,745 1,193,236 596,618 298,309 894,928 447,464 223,732 111,866 55,933 167,800 83,900 41,950 20,975 62,926 31,463 94,390 47,195 141,586 70,793 212,380 106,190 53,095 159,286 79,643 238,930 119,465 358,396 179,198 89,599 268,798 134,399

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