3² × 5 × 7 × 19 × 137

Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 19 × 137

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,722,240

Proper Divisor Sum 902,295

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #819943 ← → #819977

1 3 5 7 9 15 19 21 35 45 57 63 95 105 133 137 171 285 315 399 411 665 685 855 959 1,197 1,233 1,995 2,055 2,603 2,877 4,795 5,985 6,165 7,809 8,631 13,015 14,385 18,221 23,427 39,045 43,155 54,663 91,105 117,135 163,989 273,315 819,945

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

819,945 2,459,836 1,229,918 614,959 1,844,878 922,439 2,767,318 1,383,659 4,150,978 2,075,489 6,226,468 3,113,234 1,556,617 4,669,852 2,334,926 1,167,463 3,502,390 1,751,195 5,253,586 2,626,793 7,880,380 3,940,190 1,970,095 5,910,286 2,955,143 8,865,430 4,432,715 13,298,146 6,649,073 19,947,220 9,973,610 4,986,805 14,960,416 7,480,208 3,740,104 1,870,052 935,026 467,513 1,402,540 701,270 350,635 1,051,906 525,953 1,577,860 788,930 394,465 1,183,396 591,698 295,849 887,548 443,774 221,887 665,662 332,831 998,494 499,247 1,497,742 748,871 2,246,614 1,123,307

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