3 × 13 × 512917

Prime Factor Structure

Factorization String 3 × 13 × 512917

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 28,723,408

Proper Divisor Sum 8,719,645

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20003719 ← → #20003801

1 3 13 39 512,917 1,538,751 6,667,921 20,003,763

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

20,003,763 60,011,290 30,005,645 90,016,936 45,008,468 22,504,234 11,252,117 33,756,352 16,878,176 8,439,088 4,219,544 2,109,772 1,054,886 527,443 1,582,330 791,165 2,373,496 1,186,748 593,374 296,687 890,062 445,031 1,335,094 667,547 2,002,642 1,001,321 3,003,964 1,501,982 750,991 2,252,974 1,126,487 3,379,462 1,689,731 5,069,194 2,534,597 7,603,792 3,801,896 1,900,948 950,474 475,237 1,425,712 712,856 356,428 178,214 89,107 267,322 133,661 400,984 200,492 100,246 50,123 150,370 75,185 225,556 112,778 56,389 169,168 84,584 42,292 21,146

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