3² × 213407

Prime Factor Structure

Factorization String 3^2 × 213407

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,774,304

Proper Divisor Sum 853,641

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1920637 ← → #1920671

1 3 9 213,407 640,221 1,920,663

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

1,920,663 5,761,990 2,880,995 8,642,986 4,321,493 12,964,480 6,482,240 3,241,120 1,620,560 810,280 405,140 202,570 101,285 303,856 151,928 75,964 37,982 18,991 56,974 28,487 85,462 42,731 128,194 64,097 192,292 96,146 48,073 144,220 72,110 36,055 108,166 54,083 162,250 81,125 243,376 121,688 60,844 30,422 15,211 45,634 22,817 68,452 34,226 17,113 51,340 25,670 12,835 38,506 19,253 57,760 28,880 14,440 7,220 3,610 1,805 5,416 2,708 1,354 677 2,032

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