7 × 19 × 31 × 4861

Prime Factor Structure

Factorization String 7 × 19 × 31 × 4861

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 24,893,440

Proper Divisor Sum 4,851,537

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #20041891 ← → #20041909

1 7 19 31 133 217 589 4,123 4,861 34,027 92,359 150,691 646,513 1,054,837 2,863,129 20,041,903

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

20,041,903 60,125,710 30,062,855 90,188,566 45,094,283 135,282,850 67,641,425 202,924,276 101,462,138 50,731,069 152,193,208 76,096,604 38,048,302 19,024,151 57,072,454 28,536,227 85,608,682 42,804,341 128,413,024 64,206,512 32,103,256 16,051,628 8,025,814 4,012,907 12,038,722 6,019,361 18,058,084 9,029,042 4,514,521 13,543,564 6,771,782 3,385,891 10,157,674 5,078,837 15,236,512 7,618,256 3,809,128 1,904,564 952,282 476,141 1,428,424 714,212 357,106 178,553 535,660 267,830 133,915 401,746 200,873 602,620 301,310 150,655 451,966 225,983 677,950 338,975 1,016,926 508,463 1,525,390 762,695

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