3 × 19 × 43 × 8161

Prime Factor Structure

Factorization String 3 × 19 × 43 × 8161

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,730,240

Proper Divisor Sum 8,727,629

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #20002603 ← → #20002613

1 3 19 43 57 129 817 2,451 8,161 24,483 155,059 350,923 465,177 1,052,769 6,667,537 20,002,611

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

20,002,611 60,007,834 30,003,917 90,011,752 45,005,876 22,502,938 11,251,469 33,754,408 16,877,204 8,438,602 4,219,301 12,657,904 6,328,952 3,164,476 1,582,238 791,119 2,373,358 1,186,679 3,560,038 1,780,019 5,340,058 2,670,029 8,010,088 4,005,044 2,002,522 1,001,261 3,003,784 1,501,892 750,946 375,473 1,126,420 563,210 281,605 844,816 422,408 211,204 105,602 52,801 158,404 79,202 39,601 118,804 59,402 29,701 89,104 44,552 22,276 11,138 5,569 16,708 8,354 4,177 12,532 6,266 3,133 9,400 4,700 2,350 1,175 3,526

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