2³ × 13 × 233 × 883

Prime Factor Structure

Factorization String 2^3 × 13 × 233 × 883

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 43,439,760

Proper Divisor Sum 22,042,904

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #21396853 ← → #21396871

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

21,396,856 10,698,428 5,349,214 2,674,607 8,023,822 4,011,911 12,035,734 6,017,867 18,053,602 9,026,801 27,080,404 13,540,202 6,770,101 20,310,304 10,155,152 5,077,576 2,538,788 1,269,394 634,697 1,904,092 952,046 476,023 1,428,070 714,035 2,142,106 1,071,053 3,213,160 1,606,580 803,290 401,645 1,204,936 602,468 301,234 150,617 451,852 225,926 112,963 338,890 169,445 508,336 254,168 127,084 63,542 31,771 95,314 47,657 142,972 71,486 35,743 107,230 53,615 160,846 80,423 241,270 120,635 361,906 180,953 542,860 271,430 135,715

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