5 × 19 × 210631

Prime Factor Structure

Factorization String 5 × 19 × 210631

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 25,275,840

Proper Divisor Sum 5,265,895

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #20009939 ← → #20009947

1 5 19 95 210,631 1,053,155 4,001,989 20,009,945

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

20,009,945 60,029,836 30,014,918 15,007,459 45,022,378 22,511,189 67,533,568 33,766,784 16,883,392 8,441,696 4,220,848 2,110,424 1,055,212 527,606 263,803 791,410 395,705 1,187,116 593,558 296,779 890,338 445,169 1,335,508 667,754 333,877 1,001,632 500,816 250,408 125,204 62,602 31,301 93,904 46,952 23,476 11,738 5,869 17,608 8,804 4,402 2,201 6,604 3,302 1,651 4,954 2,477 7,432 3,716 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.