31 × 139 × 4643

Prime Factor Structure

Factorization String 31 × 139 × 4643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 20,805,120

Proper Divisor Sum 798,433

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #20006683 ← → #20006717

1 31 139 4,309 4,643 143,933 645,377 20,006,687

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

20,006,687 60,020,062 30,010,031 90,030,094 45,015,047 135,045,142 67,522,571 202,567,714 101,283,857 303,851,572 151,925,786 75,962,893 227,888,680 113,944,340 56,972,170 28,486,085 85,458,256 42,729,128 21,364,564 10,682,282 5,341,141 16,023,424 8,011,712 4,005,856 2,002,928 1,001,464 500,732 250,366 125,183 375,550 187,775 563,326 281,663 844,990 422,495 1,267,486 633,743 1,901,230 950,615 2,851,846 1,425,923 4,277,770 2,138,885 6,416,656 3,208,328 1,604,164 802,082 401,041 1,203,124 601,562 300,781 902,344 451,172 225,586 112,793 338,380 169,190 84,595 253,786 126,893

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