139 × 257 × 599

Prime Factor Structure

Factorization String 139 × 257 × 599

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 21,672,000

Proper Divisor Sum 273,923

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #21398063 ← → #21398081

1 139 257 599 35,723 83,261 153,943 21,398,077

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

21,398,077 64,194,232 32,097,116 16,048,558 8,024,279 24,072,838 12,036,419 36,109,258 18,054,629 54,163,888 27,081,944 13,540,972 6,770,486 3,385,243 10,155,730 5,077,865 15,233,596 7,616,798 3,808,399 11,425,198 5,712,599 17,137,798 8,568,899 25,706,698 12,853,349 38,560,048 19,280,024 9,640,012 4,820,006 2,410,003 7,230,010 3,615,005 10,845,016 5,422,508 2,711,254 1,355,627 4,066,882 2,033,441 6,100,324 3,050,162 1,525,081 4,575,244 2,287,622 1,143,811 3,431,434 1,715,717 5,147,152 2,573,576 1,286,788 643,394 321,697 965,092 482,546 241,273 723,820 361,910 180,955 542,866 271,433 814,300

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