2 × 5 × 11 × 1997

Prime Factor Structure

Factorization String 2 × 5 × 11 × 1997

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 431,568

Proper Divisor Sum 211,898

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #219649 ← → #219677

1 2 5 10 11 22 55 110 1,997 3,994 9,985 19,970 21,967 43,934 109,835 219,670

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

219,670 109,835 329,506 164,753 494,260 247,130 123,565 370,696 185,348 92,674 46,337 139,012 69,506 34,753 104,260 52,130 26,065 78,196 39,098 19,549 58,648 29,324 14,662 7,331 21,994 10,997 32,992 16,496 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40

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