2 × 73 × 137 × 991

Prime Factor Structure

Factorization String 2 × 73 × 137 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 30,390,912

Proper Divisor Sum 10,568,930

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #19821979 ← → #19822007

1 2 73 137 146 274 991 1,982 10,001 20,002 72,343 135,767 144,686 271,534 9,910,991 19,821,982

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

19,821,982 9,910,991 29,732,974 14,866,487 44,599,462 22,299,731 66,899,194 33,449,597 100,348,792 50,174,396 25,087,198 12,543,599 37,630,798 18,815,399 56,446,198 28,223,099 84,669,298 42,334,649 127,003,948 63,501,974 31,750,987 95,252,962 47,626,481 142,879,444 71,439,722 35,719,861 107,159,584 53,579,792 26,789,896 13,394,948 6,697,474 3,348,737 10,046,212 5,023,106 2,511,553 7,534,660 3,767,330 1,883,665 5,650,996 2,825,498 1,412,749 4,238,248 2,119,124 1,059,562 529,781 1,589,344 794,672 397,336 198,668 99,334 49,667 149,002 74,501 223,504 111,752 55,876 27,938 13,969 41,908 20,954

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