21390727

Prime Factor Structure

Factorization String 21390727

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,390,728

Proper Divisor Sum 1

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21390673 ← → #21390767

1 21,390,727

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

21,390,727 64,172,182 32,086,091 96,258,274 48,129,137 144,387,412 72,193,706 36,096,853 108,290,560 54,145,280 27,072,640 13,536,320 6,768,160 3,384,080 1,692,040 846,020 423,010 211,505 634,516 317,258 158,629 475,888 237,944 118,972 59,486 29,743 89,230 44,615 133,846 66,923 200,770 100,385 301,156 150,578 75,289 225,868 112,934 56,467 169,402 84,701 254,104 127,052 63,526 31,763 95,290 47,645 142,936 71,468 35,734 17,867 53,602 26,801 80,404 40,202 20,101 60,304 30,152 15,076 7,538 3,769

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