3 × 43 × 73 × 137

Prime Factor Structure

Factorization String 3 × 43 × 73 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,797,312

Proper Divisor Sum 507,183

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1290109 ← → #1290131

1 3 43 73 129 137 219 411 3,139 5,891 9,417 10,001 17,673 30,003 430,043 1,290,129

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

1,290,129 3,870,388 1,935,194 967,597 2,902,792 1,451,396 725,698 362,849 1,088,548 544,274 272,137 816,412 408,206 204,103 612,310 306,155 918,466 459,233 1,377,700 688,850 344,425 1,033,276 516,638 258,319 774,958 387,479 1,162,438 581,219 1,743,658 871,829 2,615,488 1,307,744 653,872 326,936 163,468 81,734 40,867 122,602 61,301 183,904 91,952 45,976 22,988 11,494 5,747 17,242 8,621 25,864 12,932 6,466 3,233 9,700 4,850 2,425 7,276 3,638 1,819 5,458 2,729 8,188

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