21391841

Prime Factor Structure

Factorization String 21391841

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,391,842

Proper Divisor Sum 1

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21391837 ← → #21391849

1 21,391,841

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

21,391,841 64,175,524 32,087,762 16,043,881 48,131,644 24,065,822 12,032,911 36,098,734 18,049,367 54,148,102 27,074,051 81,222,154 40,611,077 121,833,232 60,916,616 30,458,308 15,229,154 7,614,577 22,843,732 11,421,866 5,710,933 17,132,800 8,566,400 4,283,200 2,141,600 1,070,800 535,400 267,700 133,850 66,925 200,776 100,388 50,194 25,097 75,292 37,646 18,823 56,470 28,235 84,706 42,353 127,060 63,530 31,765 95,296 47,648 23,824 11,912 5,956 2,978 1,489 4,468 2,234 1,117 3,352 1,676 838 419 1,258 629

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