2 × 5 × 1373 × 1553

Prime Factor Structure

Factorization String 2 × 5 × 1373 × 1553

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 38,433,528

Proper Divisor Sum 17,110,838

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21322687 ← → #21322703

1 2 5 10 1,373 1,553 2,746 3,106 6,865 7,765 13,730 15,530 2,132,269 4,264,538 10,661,345 21,322,690

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

21,322,690 10,661,345 31,984,036 15,992,018 7,996,009 23,988,028 11,994,014 5,997,007 17,991,022 8,995,511 26,986,534 13,493,267 40,479,802 20,239,901 60,719,704 30,359,852 15,179,926 7,589,963 22,769,890 11,384,945 34,154,836 17,077,418 8,538,709 25,616,128 12,808,064 6,404,032 3,202,016 1,601,008 800,504 400,252 200,126 100,063 300,190 150,095 450,286 225,143 675,430 337,715 1,013,146 506,573 1,519,720 759,860 379,930 189,965 569,896 284,948 142,474 71,237 213,712 106,856 53,428 26,714 13,357 40,072 20,036 10,018 5,009 15,028 7,514 3,757

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