17² × 107 × 647

Prime Factor Structure

Factorization String 17^2 × 107 × 647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 21,485,088

Proper Divisor Sum 1,477,907

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #20007173 ← → #20007203

1 17 107 289 647 1,819 10,999 30,923 69,229 186,983 1,176,893 20,007,181

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

20,007,181 60,021,544 30,010,772 15,005,386 7,502,693 22,508,080 11,254,040 5,627,020 2,813,510 1,406,755 4,220,266 2,110,133 6,330,400 3,165,200 1,582,600 791,300 395,650 197,825 593,476 296,738 148,369 445,108 222,554 111,277 333,832 166,916 83,458 41,729 125,188 62,594 31,297 93,892 46,946 23,473 70,420 35,210 17,605 52,816 26,408 13,204 6,602 3,301 9,904 4,952 2,476 1,238 619 1,858 929 2,788 1,394 697 2,092 1,046 523 1,570 785 2,356 1,178 589

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