2³ × 5 × 519121

Prime Factor Structure

Factorization String 2^3 × 5 × 519121

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 46,720,980

Proper Divisor Sum 25,956,140

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #20764813 ← → #20764847

1 2 4 5 8 10 20 40 519,121 1,038,242 2,076,484 2,595,605 4,152,968 5,191,210 10,382,420 20,764,840

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

20,764,840 10,382,420 5,191,210 2,595,605 7,786,816 3,893,408 1,946,704 973,352 486,676 243,338 121,669 365,008 182,504 91,252 45,626 22,813 68,440 34,220 17,110 8,555 25,666 12,833 38,500 19,250 9,625 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17

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