2 × 19 × 439 × 491

Prime Factor Structure

Factorization String 2 × 19 × 439 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,988,800

Proper Divisor Sum 4,797,938

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #8190859 ← → #8190863

1 2 19 38 439 491 878 982 8,341 9,329 16,682 18,658 215,549 431,098 4,095,431 8,190,862

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

8,190,862 4,095,431 12,286,294 6,143,147 18,429,442 9,214,721 27,644,164 13,822,082 6,911,041 20,733,124 10,366,562 5,183,281 15,549,844 7,774,922 3,887,461 11,662,384 5,831,192 2,915,596 1,457,798 728,899 2,186,698 1,093,349 3,280,048 1,640,024 820,012 410,006 205,003 615,010 307,505 922,516 461,258 230,629 691,888 345,944 172,972 86,486 43,243 129,730 64,865 194,596 97,298 48,649 145,948 72,974 36,487 109,462 54,731 164,194 82,097 246,292 123,146 61,573 184,720 92,360 46,180 23,090 11,545 34,636 17,318 8,659

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