3 × 11 × 19 × 643

Prime Factor Structure

Factorization String 3 × 11 × 19 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 618,240

Proper Divisor Sum 215,079

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #403159 ← → #403163

1 3 11 19 33 57 209 627 643 1,929 7,073 12,217 21,219 36,651 134,387 403,161

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

403,161 1,209,484 604,742 302,371 907,114 453,557 1,360,672 680,336 340,168 170,084 85,042 42,521 127,564 63,782 31,891 95,674 47,837 143,512 71,756 35,878 17,939 53,818 26,909 80,728 40,364 20,182 10,091 30,274 15,137 45,412 22,706 11,353 34,060 17,030 8,515 25,546 12,773 38,320 19,160 9,580 4,790 2,395 7,186 3,593 10,780 5,390 2,695 8,086 4,043 12,130 6,065 18,196 9,098 4,549 13,648 6,824 3,412 1,706 853 2,560

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